2501 HOYT AVE 2025-04-15 - Laserfiche WebLink

' , ' DURO-GUARD°ISO II Installation: TABLE 2. THERMAL VALUES • Panels must be kept dry before,during and THICKNESS* LTTR FLUTE SPANABILITY after installation. Install only as much insulation inches mm R-VALUE inches mm as can be covered the same day with 1.00 25 5.60 2.625 67 completed roofing. 1.50 38 8.50 4.375 111 • The use of multiple layers of insulation with 1.70 41 9.60 4.375 111 1.70 43 9.60 4.375 111 joints staggered a minimum of 6 inches 2.00 51 11.40 4.375 111 between layers is recommended to eliminate 2.50 64 14.40 4.375 111 thermal bridging. 2.70 69 15.60 4.375 111 3.00 76 17.40 4.375 111 • Abut panel edges together and stagger joints of 3.30 84 19.20 4.375 111 adjacent panels. 3.50 89 20.50 4.375 111 • Boards must be neatly fitted to roof deck and 3.60 91 21.10 4.375 111 4.00 102 23.60 4.375 111 around penetrations with no gaps greater than *Contact Duro-Last for additional thickness options. %inch. • Refer to the appropriate Duro-Last roof system TABLE 3. TYPICAL PHYSICAL PROPERTIES specification and detail drawings for deck Grade 2 20 psi preparation and attachment requirements. Compressive ASTM D 1621 (138 kPa) Strength ASTM C 1289 Grade 3 25 psi • Precautions must be taken to ensure that new (172 kPa) concrete decks have fully hydrated and do not Dimensional ASTM D 2126 2%linear change continue to release moisture. Stability (7 days) Moisture Vapor ASTM E 96 <1 perm Panel Attachment: Transmission (85.0 ng/Pa•s•mz) Water • Panels may be attached to the roof deck using Absorption ASTM C 209 <1%volume mechanical fasteners, insulation adhesive or Service -40°to 200°F hot bitumen. It is acceptable to use these Temperature (-40°to 93°C) products in combination. totally cover the available deck surface. Mechanical Attachment • To ensure embedment,the board shall also be • When installing multiple layers(which may "stepped in"at several points while the bitumen include insulation, cover boards and thermal is still hot enough to allow positive attachment. bafflers)it is acceptable to mechanically secure through all layers. • Maximum panel dimensions are 4 ft.x 4 ft. • Use fasteners and plates supplied by or • Any roof membrane contaminated with bitumen approved by Duro-Last, Inc. must be replaced. Adhesive Attachment Storage: • Insulation adhesive must be supplied by Duro- • Insulation must be protected from open flame Last, Inc. Refer to the adhesive's product data and kept dry at all times. sheet for application guidelines.Acceptable • Factory applied packaging is intended only for products: protection during transit. Slit or remove the o Duro-Grip®Insta-Stik'". packaging to prevent accumulation of o Duro-Grip Olybond®. condensation. o Duro-Grip Millenium Weather-Tite®. • Store elevated(at least 3 inches)and o Duro-Grip CR-20. completely covered with a weatherproof covering such as a tarpaulin. • Subsequent layers of insulation and approved • Do not use panels which are wet or damaged. cover boards may be attached with insulation • Refer to PIMA Technical Bulletin No. 109: adhesive. Maximum panel dimensions are 4 ft.x 4 ft. Storage and Handling Recommendations for • Polyiso Roof Insulation for additional guidelines Hot Bitumen Attachment (www.pima.org). • When using hot bitumen on concrete decks, Limitations: priming is necessary. • Temperature of the bitumen shall be • Duro-Last, Inc.will not be responsible or liable for any defects or problems related to building approximately 50° F below the inter-ply hand or roof design by others,to deficiencies in mopping EVT. construction,to dangerous conditions on the • The deck shall be dry and care must be taken job site,or to improper storage, handling or to apply the bitumen in sufficient quantity to 412.1 installation by others. www.duro-last.cam 2 of 2 800=248-0280 Duro-Last,'World's Best Roof and Duro-Guard are registered marks owned by Duro-Last,Inc. Updated:10/31/2013