Algoma Hardwoods Tech Reports User Manual
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![Page 1
Topic Page
Quick Ship ........................................................................\
............................................................................ 3
Sound Transmission Class Doors (STC) ........................................................................\
............................... 5
Environmentally Certified Wood Doors ........................................................................\
................................. 7
Advantages of...](http://img.usermanuals.tech/thumb/297/4980/w64_tech-reports-1478723161_d-0.png "Page 1
Topic Page
Quick Ship ........................................................................\
............................................................................ 3
Sound Transmission Class Doors (STC) ........................................................................\
............................... 5
Environmentally Certified Wood Doors ........................................................................\
................................. 7
Advantages of...")
Topic Page
Quick Ship ........................................................................\
............................................................................ 3
Sound Transmission Class Doors (STC) ........................................................................\
............................... 5
Environmentally Certified Wood Doors ........................................................................\
................................. 7
Advantages of Factory Finished Doors ........................................................................\
................................. 8
A Grade versus AA Grade Veneers ........................................................................\
....................................... 9
Positive Pressure and Wood Doors ........................................................................\
.................................... 10
Positive Pressure Approvals ........................................................................\
............................................... 11
Positive Pressure Category A ........................................................................\
............................................. 12
Positive Pressure Category B ........................................................................\
............................................. 14
Surface Vertical Rod / Less Bottom Rod (SVR/LBR) ........................................................................\
.......... 15
Structural Composite Lumber (SCL) ........................................................................\
.................................. 16
Protection Plates on Fire Doors ........................................................................\
.......................................... 17
Stile and Rail Standard Component Dimensions ........................................................................\
................ 18
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1001 Perry Street • Algoma, Wisconsin 54201
920.487.5221 • 1.800.678.8910 • FAX 920.487.3636
www.algomahardwoods.com • [email protected]/20/10TR-1
Tech Reports
4HICKNESSbMM bMM -AXIMUMSIZE !VAILABLEPREFITUPTO3INGLESgXgXMM 0AIRSgXgXMM INCLUDINGDOUBLEEGRESS PAIRS 3TILES%DGEBANDS 3INGLES bMM 3UPERSTILE 4OPRAIL REGULAR bMM HARDWOODLUMBER REINFORCED 3EE$OORSECTIONTABLEOFCONTENTS ,OCKBLOCKS &OREXITDEVICEREINFORCEMENT SEE$OORSECTIONTABLEOFCONTENTS OTTOMRAIL REGULAR bMM HARDWOODLUMBER REINFORCED 3EE$OORSECTIONTABLEOFCONTENTS &ACES !LLFOREIGNANDDOMESTICSPECIES MEDIUMDENSITYOVERLAY-$/ ANDMOSTLOWSHEENTHICKNESS(IGH0RESSURE $ECORATIVE,AMINATES&ACESAREAMINIMUMOF bMM ATMOISTURECONTENT!LLFACESTOBEPER7$-!)3 ! FACEGRADESUNLESSOTHERWISESPECIFIED #ROSSBANDS bMM MINIMUMWOOD BASEDCOMPOSITE !DHESIVES $OORSCONSTRUCTEDUSINGWATER RESISTANTADHESIVES4YPE 6ENEERMATCHING !VAILABLEASPAIRS SETSORMATCHINGTRANSOMS 7OODBEADEDLITEOPENINGS -AXIMUMIN M CUTOUTORINM VISIBLEGLASS3EE$ETAILFORGLASSOPTIONS -ETALVISIONPANELS -AXIMUMIN M VISIBLEGLASS-AXIMUMSMM WIDTH MM LENGTH3EE$ETAIL FORGLASS OPTIONS ,OUVERS 5PTOXXMM ,OUVERS NOTALLOWEDINDOORSWITHLITEOPENINGS EXITDEVICESORSMOKECONTROLDOORS -ACHINING 3EEREVERSESIDE &INISHING !VAILABLEINFINISHESWITHPERFORMANCECHARACTERISTICSEQUIVALENTTO!7)AND7$-!3YSTEMS42 STANDARDORCUSTOM COLORS!LSOAVAILABLEPRIMEDFOURSIDES SEALERSIXSIDESORSEALEDTOPANDBOTTOM/PAQUEFINISH/0 ON-$/ONLY 7ARRANTY &ORINTERIORONLY FULLWARRANTYFORLIFEOFORIGINALINSTALLATION 3TANDARDSMETOREXCEEDED 7$-!)3 !3ERIES !2#()4%#452!,7//$&,53($//23!RCHITECTURAL7OODWORK1UALITY3TANDARDS3ECTION !RCHITECTURAL&LUSH$OORSAND3ECTION &ACTORY&INISH 3MOKE$OORS 3 LABELDOORSREQUIRE#ATEGORY( 3MOKE$RAFT#ONTROLASKETINGSURFACEAPPLIEDGASKETINGONTHEFRAMEANDONTHE MEETINGEDGEOFPAIRS 0ERRY3TREETs!LGOMA 7ISCONSIN ss&!8 WWWALGOMAHARDWOODSCOMsSALES ALGOMAHARDWOODSCOM$OOR 0OSITIVE0RESSURE#ATEGORY!&$b(OUR$OOR 0RODUCT&EATURES !LGOMA(ARDWOODS )NCHASBEEN MAKINGMINERALCOREFIREDOORSFOR MORETHANYEARS4HEMINERALCORE DOORLISTEDHEREHASSTOODTHETESTOF TIME4HE!LGOMA-INERAL#OREIS UNUSUALLYLIGHTANDREMARKABLYSTABLE 4HE HOURMINERALCOREFIREDOOR AVAILABLEIN5,RATING ISSUITABLEFOR ROOMANDCORRIDORPARTITIONOPENINGS WHERERATEDDOORSAREREQUIRED 4HE&$ (OURISMANUFACTUREDWITH THE3UPERSTILEFORSUPERIORSCREW HOLDINGSTRENGTHANDSPLITRESISTANCE !LSO REINFORCEMENTSCANBESPECIFIED WHICHALLOWSURFACEMOUNTEDHARDWARE TOBEINSTALLEDWITHSCREWS 3URFACE6ERTICAL2OD,ESSOTTOM2OD 362,2 DEVICEPROVIDES COMPLIANCEWITHTHE!MERICANSWITH $ISABILITIES!CT!$! ANDDONOT REQUIREFLOORRECEIVERSINPAIR APPLICATIONS .OTE#ATEGORY!DOORSFEATUREACONCEALEDINTUMESCENTENGINEEREDINTOTHE CONSTRUCTIONOFTHEDOOR 1001 Perry Street • Algoma, Wisconsin 54201 920.487.5221 • 1.800.678.8910 • FAX 920.487.3636 www.algomahardwoods.com • [email protected]/20/10TR-2 Tech Reports
Quick Ship 800.678.8910 • 1001 Perry St • Algoma, WI 54201 • www.algomahardwoods.com5/16/2012 TR-03 Algoma Hardwoods is proud to offer its “Quick Ship” program. As par t of our Quick Suite of offerings (Quick Quote, Quick Order and Quick Ship) the program provides you an expedited shipping schedule. Projects that require a better than standard lead-time are a perfect fit for our Quick Ship program. The template below defines the program offering. It’s as easy as matching your project requirements against the char t. If it meets the parameters in the char t we will enter the order. If it doesn’t, feel free to call your Algoma Hardwoods representative and inquire as to our ability to manufacture the order under Quick Ship guidelines. Door Type (Architectural Hot Press) Ready to Ship in…. ThicknessQuantity Finish Approval Face Veneers Book and Running Matched Pair Matched Set Matching (Contact Algoma) Core Types Size Hardware Lites Information Order Changes Pricing ExclusionsSlabs 14 Calendar days 1.75” 100 or less Plain Sliced Red Oak, RC Red Oak, Plain Sliced Cherry, Plain Sliced White Maple, Plain Sliced Mahogany, Plain Sliced White Birch, RC White Birch, RC Natural Birch MDO, Consult factory for other species availability. Par ticle (standard and FSC),Stave (standard and FSC),SCLC (standard and FSC), Mineral (fire retardant), UF Free 4-0x9-0, maximum All questions must be answered within 24 hours of Algoma’s having sent them. Not allowed; or will alter delivery date. Projects meeting this Template in all ways – no Quick Ship premium. Projects not meeting this Template in any way – Quick Ship premium TBD. Additional freight charges may apply. Premachined and/or Prefinished 21 Calendar days1.75” 100 or less Must have color approval prior to release to manufacturing Plain Sliced Red Oak, RC Red Oak, Plain Sliced Cherry, Plain Sliced White Maple Plain Sliced Mahogany, Plain Sliced White Birch, RC White Birch, RC Natural Birch, MDO, Consult factory for other species availability. Par ticle (standard and FSC),Stave (standard and FSC),SCLC (standard and FSC), Mineral (fire retardant), UF Free 4-0x9-0, maximum Must be submitted on Algoma’s QuickOrder software/machining sheets (no handwritten orders). No restrictions on machining exclusive of CVR’s with metal channels and mor tised edge guards, existing frames up to 25 doors Standard beading/vision frames; glazed openings with ¼” tempered glass All questions must be answered within 24 hours of Algoma’s having sent them. Not allowed; or will alter delivery date. Projects meeting this Template in all ways – no Quick Ship premium. Projects not meeting this Template in any way – Quick Ship premium TBD. Additional freight charges may apply. Door/Transom Combinations; Lead-Lined; STC 39-45; Stile and Rail; RhinoDoors; PVC Edges; Applied Mouldings; Radius Stiles; Wicket Doors; Reveals/Grooves/ Kerfs; Painted Finish; Wood Jambs; Veneer-banded Edges, plastic. Door Type SlabsPremachined and/or Prefinished (Ar chitectural Hot Press) Ship-Date 2 weeks from 3 weeks from r eceipt of pur chase order receipt of pur chase order Thickness 1.751.75 Quantity100 or less 100 or less Finish Approval 10 working days prior to ship-date Face Veneers Plain Sliced Red Oak Plain Sliced Red Oak Book and Running Matched RC Red Oak RC Red Oak Plain Sliced Cherry Plain Sliced Cherry Plain Sliced White Maple Plain Sliced White Maple Plain Sliced Mahogany Plain Sliced Mahogany Plain Sliced White Birch Plain Sliced White Birch RC White Birch RC White Birch RC Natural Birch RC Natural Birch MDO MDO Consult factory for species availability Consult factory for species availability outside the list above outside the list abo ve Cor e Types Particle \(standard and FSC\), Particle \(standard and FSC\), Sta ve \(standard and FSC\), Stave \(standard and FSC\), SCLC ,Mineral \(fire retar dant\), SCLC,Mineral \(fire retar dant\), UF Free UF Free Siz e 4-0x9-0,maximum 4-0x9-0,maximum Hardware Must be coor dinated by customer on pre-appr oved machining sheets Lites Standard beading/vision frames Information All questions must be ans wered All questions must be answ ered within the same business day 24 hours of Algomas having sent them Chang es prior to order release May impact lead-time May impact lead-time Chang es after order is released Not allowed Not allowed Pricing Contact Algoma Hardwoods for Contact Algoma Hardwoods for pricing on its Quick Ship program pricing on its Quick Ship program Algoma Hardwoods is proud to offer its Quick Ship pr ogram.A s par t of our Quick Suite of offerings \(Quick Quote, Quick Order and Quick Ship\) the program pr ovides you an expedited shipping schedule. Orders that r equire a better than standard lead-time are a perfect fit for our Quick Ship program. The template below defines the program offering. Its as easy as matching your order re quir ements against the chart .If it meets the parame- ters in the chart we will enter the order .If it doesnt,f eel fr ee to call your Algoma Hardwoods repr esentative and inquire as to our ability to manufactu re the order under Quick Ship guidelines.
Quick Ship 800.678.8910 • 1001 Perry St • Algoma, WI 54201 • www.algomahardwoods.com05/16/2012 TR-04 Algoma Hardwoods is proud to offer its “Quick Ship” program. As par t of our Quick Suite of offerings (Quick Quote, Quick Order and Quick Ship) the program provides you an expedited shipping schedule. Orders that require a better than standard lead-time are a perfect fit for our Quick Ship program. The template below defines the program offering. It’s as easy as matching your order requirements against the char t. If it meets the parameters in the char t we will enter the order. If it doesn’t, feel free to call your Algoma Hardwoods representative and inquire as to our ability to manufacture the order under Quick Ship guidelines. Door Type (Commercial Cold Press) Ready to Ship in…. ThicknessQuantity Finish Approval Face Veneers Book and Running Matched Core TypesSize Hardware Lites Information Changes prior to order release Changes after order is released Pricing Slabs 2 weeks from receipt of purchase order 1.75 100 or less Plain Sliced Red Oak RC White Birch RC Natural Birch Paint Grade Birch Par ticle, Mineral (fire-retardant) 4-0x9-0, maximum All questions must be answered the same business day May impact lead-time Not allowed Please contact Algoma Hardwoods for pricing on its Quick Ship program, additional freight charges may apply. Premachined and/or Prefinished 3 weeks from receipt of purchase order 1.75 100 or less 10 working days prior to ship-date Plain Sliced Red OakRC White Birch RC Natural Birch Paint Grade Birch Par ticle, Mineral (fire-retardant) 4-0x9-0, maximum Must be coordinated by customer on pre-approved machining sheets Standard beading/vision frames All questions must be answered within 24 hours of Algoma’s having sent them May impact lead-time Not allowed Please contact Algoma Hardwoods for pricing on its Quick Ship program, additional freight charges may apply. Door Type SlabsPremachined and/or Prefinished (Ar chitectural Hot Press) Ship-Date 2 weeks from 3 weeks from r eceipt of pur chase order receipt of pur chase order Thickness 1.751.75 Quantity100 or less 100 or less Finish Approval 10 working days prior to ship-date Face Veneers Plain Sliced Red Oak Plain Sliced Red Oak Book and Running Matched RC Red Oak RC Red Oak Plain Sliced Cherry Plain Sliced Cherry Plain Sliced White Maple Plain Sliced White Maple Plain Sliced Mahogany Plain Sliced Mahogany Plain Sliced White Birch Plain Sliced White Birch RC White Birch RC White Birch RC Natural Birch RC Natural Birch MDO MDO Consult factory for species availability Consult factory for species availability outside the list above outside the list abo ve Cor e Types Particle \(standard and FSC\), Particle \(standard and FSC\), Sta ve \(standard and FSC\), Stave \(standard and FSC\), SCLC ,Mineral \(fire retar dant\), SCLC,Mineral \(fire retar dant\), UF Free UF Free Siz e 4-0x9-0,maximum 4-0x9-0,maximum Hardware Must be coor dinated by customer on pre-appr oved machining sheets Lites Standard beading/vision frames Information All questions must be ans wered All questions must be answ ered within the same business day 24 hours of Algomas having sent them Chang es prior to order release May impact lead-time May impact lead-time Chang es after order is released Not allowed Not allowed Pricing Contact Algoma Hardwoods for Contact Algoma Hardwoods for pricing on its Quick Ship program pricing on its Quick Ship program Algoma Hardwoods is proud to offer its Quick Ship pr ogram.A s par t of our Quick Suite of offerings \(Quick Quote, Quick Order and Quick Ship\) the program pr ovides you an expedited shipping schedule. Orders that r equire a better than standard lead-time are a perfect fit for our Quick Ship program. The template below defines the program offering. Its as easy as matching your order re quir ements against the chart .If it meets the parame- ters in the chart we will enter the order .If it doesnt,f eel fr ee to call your Algoma Hardwoods repr esentative and inquire as to our ability to manufactu re the order under Quick Ship guidelines.
Tech Report 800.678.8910 • 1001 Perry St • Algoma, WI 54201 • www.algomahardwoods.com7/20/2010 TR-05 Excuse me? What’s that you said? I’m sorry, can you please repeat that? No, you are not losing your hearing. The reason you can’t hear my conversation is that you are standing behind one of Algoma Hardwoods’ Sound Transmission Class (STC) doors. And the good news? Now hear this. We’ve expanded our already broad range offering of STC rated wood doors. Sure we’ve got our standard STC 45, 43, 40, 39 and 28’s. But now we’ve earned STC ratings for 33, 32 and 31 (with lite openings), expanding our offerings beyond our well established STC 28 fire-rated door. Please see the char t on the following page for specifics. How about no added Urea-Formaldehyde? Well, we have addressed that. And, our STC 33, 32 and 28’s can all be constructed to comply with the new LEED for Schools criteria. In fact, we can even prepare the door for lite openings and build it no added urea-formaldehyde. Algoma Hardwoods is committed to providing doors that are constructed to the most up-to-date LEED standard. How About Collaborative for High Performance Schools (CHPS)? We’ve addressed that too. Our doors have been tested by a third par ty laboratory to ensure their compliance with CHPS (Collaborative for High Performance Schools) for VOC emissions. All of our doors have been tested to the strict standards defined by Riverbank Laboratories. This gives you the confidence that all of our STC rated doors will perform as specified. Whether it’s a school or military installation; government building or hospital, you are sure to find an Algoma Hardwoods’ STC rated wood door that fits your project. Specify Algoma Hardwoods and you’ll specify excellence. Class Doors (STC) Sound Transmission
STC Chart STC RATING CORE TYPEDOOR THICKNESSFSCNAUF FIRE RAT- ING GLASS TYPE GLASS AREA GLAZING SYSTEM THRE- SHOLD GASKET DROP SEALTEST NUMBER 54 SPECIAL 1.75" NO YES n/a n/a n/a n/a NO S88, DBL ROWNGP 225N TL94-189 45 SPECIAL 1.75” NO YES n/a n/a n/a n/a YES S88, DBL ROWNGP 225N TL95-194 43 SPECIAL 1.75” NO YES 20 n/a n/a n/a YES S88, DBL ROWNGP 225N TL94-193 40 SPECIAL 1.75” NO YES n/a n/a n/a n/a NO S88, DBL ROWNGP 225N TL94-190 39 SPECIAL 1.75” NO YES n/a DBL GLAZED400 WOOD BEAD YES S88, DBL ROW NGP 225N TL94-192 33 SCLC 1.75” YES YES 20 5/16", 1/4" LAMINATED, NON-RATED1296 WOOD BEAD NO S88, DBL ROW ZERO 369A TL09-170 32 SCLC 1.75” YES YES 20 5/16”, 1/4” LAMINATED, NON-RATED1296 WOOD BEAD NO S88, DBL ROW Pemko 234 TL11-224, 225 32 SCLC 1.75” YES YES 20 Optional***1296 WOOD BEAD NO S88, DBL ROW ZERO 369A TL08-230 32 PB 1.75” YES YES 20 5/16”, 1/4” LAMINATED, NON-RATED1296 WOOD BEAD NO S88, DBL ROW ZERO 369A TL09-161 32 PB 1.75” YES YES 20 Optional***1296 WOOD BEAD NO S88, DBL ROW ZERO 369A TL11-224 31 SCLC 1.75” YES YES 20 O ptional*** 1296 WOOD BEAD NO S88, DBL ROW Pemko 234 TL11-224, 225 31 PB 1.75” YES YES 20 5/16”, 1/4” LAMINATED, NON-RATED1296 WOOD BEAD NO S88, DBL ROW Pemko 234 TL11-224, 225 31 PB 1.75” YES YES 20 Optional***1296 WOOD BEAD NO S88, DBL ROW Pemko 234 TL11-225 31 PB 1.75” YES YES 20 Optional***1296 WOOD BEAD NO S88, DBL ROW ZERO 369A TL08-228 31 MC 45, 60, 90 Min 1.75” YES YES 45-90 5/16", LAMINATED, RATED 1296 WOOD BEAD NO S88, DBL ROW ZERO 369A TL09-166 30 MC 45, 60, 90 Min 1.75” YES YES 45-90 5/16”, LAMINATED, RATED 1296 WOOD BEAD NO S88, DBL ROW Pemko 234 TL11-224, 225 29 MC 45, 60, 90 Min 1.75” YES YES 45-90 Optional***1296 WOOD BEAD NO S88, DBL ROW ZERO 369A TL08-229 28 MC 45, 60, 90 Min 1.75” YES YES 45-90 Optional***1296 WOOD BEAD NO S88, DBL ROW Pemko 234 TL11-224, 225 28 PB 1.75” YES YES 20 Optional***1296 WOOD BEAD NO S88, DBL ROW NGP 225N TL94-188 28 MC 45, 60, 90 Min 1.75” YES YES 45-90 Optional***1296 WOOD BEAD NO S88, DBL ROW NGP 225N TL95-390 800.678.8910 • 1001 Perry St • Algoma, WI 54201 • www.algomahardwoods.com 1/30/2012 TR-06 *** Laminated Glass with STC ≥35 to be used (will maintain desired STC rating), rated glass for fire doors, Cat.II impact rating\
Tech Report
When the job demands “green” doors, Algoma can respond with FSC
certified Architectural Wood Doors.
Increasingly, architects, builders and owners are looking at environmental considerations in their selection of building
materials. In the door segment of the buildings materials industry, this affects everything from reforestation and
environmentally-friendly har vesting, to timber processing and, ultimately, to the manufacturing of assembled products.
Those manufacturers looking to provide “green” products to the market use independent, third par ty cer tification as
a primary means of improving public perceptions among purchasers who are concerned about the environment. Third
par ty cer tification verifies that products are, in fact, environmentally-friendly, i.e. ‘green.” Chain-of-custody cer tification of
primary and secondary manufacturers ensures that only wood that comes from cer tified forests is sold to consumers as
cer tified product. Algoma Hardwoods has been granted a five-year FSC Cer tificate, signalling compliance of its sourcing
and procedures with requirements of the FSC program, 3rd par ty cer tified by Smar twood of the Rainforest Alliance and
approved by the Forest Stewardship Council (FSC). FSC guidelines include:
•
Cer tification that trees were grown, managed and har vested under guidelines for “good forestry practices”
• Documentation that secondary processors (e.g. sawmills, veneer slicing mills, and door manufacturers)
ensure that the cer tified lumber and veneers are used in the final, cer tified products
Algoma’s status as a cer tified FSC supplier is maintained through annual audits to ensure compliance with guidelines
relating to process, purchase and sale of cer tified products, as well as by the payment of annual cer tification fees.
Algoma endorses and practices the responsible use of material, energy and people resources and attempts to
put that philosophy in practice in all of its products.
FSC Cer tified products (or cer tified “green doors”) need to be specifically called out in Specifications.
Requests for Quotations and Purchase Orders. The following is offered as a guide-spec for your use:
Section
8210 - Wood Doors
For inser tion in either Par t 1 (General) or Par t 2 (Products)
Construction and materials required to be per the FSC Cer tification Pro
gram, 3rd par ty cer tified by Smar twood of the
Rainforest Alliance and accredited by the Forest Stewardship Council.
800.678.8910 • 1001 Perry St • Algoma, WI 54201 • www.algomahardwoods.com
The mark of responsible forestry © 1996 Forest Stewardship Council A.C.
FSC -C005458
7/20/2012
TR-07
Environmentally Certified Wood Doors
Tech Report 800.678.8910 • 1001 Perry St • Algoma, WI 54201 • www.algomahardwoods.com7/20/2010 TR-08 The finish on a wood door ser ves two main purposes. First, it is a means to enhance the natural beauty of the wood veneer. The second is to protect the wood from the effects of natural deterioration and wear from daily use. The appearance of the door finish (along with the veneer species, cut, and match) determines the impor tant first impression of an architectural wood door. Factory finished doors provide the best appearance and durability to ensure they meet both aesthetic and performance requirements of your project. Advantages of Factory Finished Doors The Benefits of Factory Finishing Include: A pleasing consistent appearance with more uniform color, texture, and sheen as doors are properly prepared (machine sanded) just prior to application of stain and finishes by state-of-the-ar t equipment. Smoother finishes free of impurities as factory conditions provide a well lighted, temperature controlled, dust free environment for finishing. Reliable compliance with environmental regulation as solvent (VOC) emissions and waste disposal are controlled at the door factory, meet- ing Environmental Protection Agency requirements. Lower finishing costs in most cases as factory automation is more efficient than manual handling and finishing. Protection from varying job site conditions (temperature and humidity levels, dust, dir t, etc.) as all surfaces are sealed and doors are individually packaged prior to leaving the factory. Doors which look better for a longer period of time because chemical and wear resistance proper ties of factory finishes are higher than most field applied finishes. Simplified ser vice should there be any questions. Factory machined and finished doors have only one vendor to contact if there are ser- vice issues to be resolved. Faster project completion since doors need only to be installed after delivery to the job site. The Appearance of field finished doors is not covered by the manufacturer’s warranty. Door manufactures’ warranties do not cover the appearance of field applied finishes because of the many uncontrollable variables that may exist at a construction site (temperature and moisture variation, dust, and other factors). Field conditions may also limit sanding and preparation of the wood surfaces prior to applying stain, the most crucial step in any finishing process. Specify factory finished doors to avoid these problems. Architectural Wood Doors are the building’s permanent furniture. Why risk their appearance to anyone less than the manufacturer’s trained craftsmen? Factory finished doors offer the best quality, warranty, environmental, and economical results. Specify factory finishing for the wood doors on your next project.
Tech Report
800.678.8910 • 1001 Perry St • Algoma, WI 54201 • www.algomahardwoods.com7/20/2010
TR-09
Prior to mid-1997 both the Architectural Woodwork Institute (AWI) and the Window and Door Manufacturers Association
(WDMA) defined Premium grade doors identically. However, in mid-1997, the AWI published new standards in which the
veneer grade requirement for a premium grade door went from grade A to grade AA. The change was made to ensure that
doors were to match the panelling and casework on higher end projects, given that they are often grade AA. The change
has created an inconsistency with WDMA standards, as well as confusion regarding veneer grade appropriateness for
different applications. Grade A veneers are and should be specified on the majority of building projects, e.g. educational,
medical, office and governmental building projects.
A Grade versus AA Grade Veneers
Following is a comparison of the implications resulting from the selection of each grade:
Grade AA \
Grade A
Economics +10% to 30% upcharge to Grade A Normal market pricing
Lead-times Extended lead-times or not available Normal lead-times
Wood Resource Use Poor use of wood resources; Optimal use of wood resources
decrease in yields
“Marketability” Limited need. \
Industry standard.
Primarily to match architectural Generally acceptable in all
railwork or panels \
but a few select projects
It is the responsibility of the architect or specifier to select what veneer grade and appearance is required on a given project.
Impor tant in the decision-making process is an understanding of the terminology and implications of door and veneer grade.
Because of the conflicting veneer requirements between WDMA and AWI, it is critical that a specifier always
indicates the door grade (premium or custom) and the veneer grade AA, A or B).
For fur ther information, please contact your Algoma Hardwoods representative.
Note: We welcome your making use of our Tech Repor ts. Please feel free to duplicate as appropriate.
Tech Report 800.678.8910 • 1001 Perry St • Algoma, WI 54201 • www.algomahardwoods.com7/20/2010 TR-10 The new Positive Pressure Tests (UBC 7-2-97 and UL 10C) are designed to be more consistent with real world fire conditions. Negative pressure testing, where the neutral pressure plane exists at the top of the door, assumes that all pressure acting on the fire side of the door is negative and equally distributed. Positive pressure testing recognizes a neutral pressure plane (40” or less above the sill) which separates negative pressure below the plane and positive pressure above the plane. Positive pressure intensifies the flow of gasses and fire to the cold side of the door. Doors meeting the new standards are designed to better withstand the phenomenon. All components in the ope\ ning must be positive pressure rated, i.e. the entire “opening assembly” requires labelling. This makes it critical to identify in advance all the components that will comprise the opening, e.g. frames, hardware, gasketting, doors and door details. There are two types of positive pressure openings which use intumescents to withstand the extremes of a positive pressure test. Intumescents expand under fire conditions to seal the gap between the door and frame. Positive Pressure and Wood Doors Category A Openings: doors specifically constructed to meet the requirements, i.e. the door fulfills requirements without need of any special modifications or gasketting to the frame. The intumescent is built inside the door by being embedded beneath the outer stile and has no impact on door appearance or function. Category B Openings: doors meet the requirements through the application of intumescent strips to the frame surface. While this is a less expensive option, it does require the proper surface installation of the intumescent strip. Installation instructions (and sometimes the strip itself) are provided by the door manufacturer. It is impor tant that these instructions be appropriately followed and filed. The surface mounting of the strip does mean that there will be a modification in the appearance of the frame. The S-label smoke rating is sometimes confused with positive pressure. The S-label smoke rating may require gasketting apar t from any required for positive pressure. All S-label smoke rated doors are also required to be positive pressure rated. It is not the case, however, that all positive pressure doors must necessarily be S-label smoke rated. There are also positive pressure requirements for other aspects of the door. Lites, louvres, applied mouldings and hardware attachment are all items that may require consultation with specific manufacturer procedures before final selection and/or installation. Algoma Hardwoods has a full range of positive pressure approvals available to you, in either Category A or Category B. Please check with your Algoma Regional Sales Manager or Sales Ser vice Specialist for more details. We also have additional materials which we can make available to you on request.