GCP Document Library
Detail Drawings
IWSDET-101 UNDERLAYMENTS — EAVE OPTION 1 (WITHOUT DRIP EDGE STRIPPED IN) DETAIL DRAWING
IWSDET-102 UNDERLAYMENTS — EAVE OPTION 2 (WITH DRIP EDGE STRIPPED IN) DETAIL DRAWING
IWSDET-104 UNDERLAYMENTS — EAVE OPTION 4 (EXTENDED PERIMETER FOR NEW CONSTRUCTION) DETAIL DRAWING
IWSDET-105 UNDERLAYMENTS — VERTICAL FRONT WALL DETAIL DRAWING
IWSDET-106 UNDERLAYMENTS — VERTICAL SIDE WALL DETAIL DRAWING
IWSDET-107 UNDERLAYMENTS — SKYLIGHT DETAIL DRAWING
IWSDET-108 UNDERLAYMENTS — CHIMNEY DETAIL DRAWING
IWSDET-109 UNDERLAYMENTS — OUTSIDE CORNER WALL TO DECK DETAIL DRAWING
IWSDET-110 UNDERLAYMENTS — INSIDE CORNER WALL TO DECK DETAIL DRAWING
IWSDET-111 UNDERLAYMENTS — CORNER PATCH OPTIONS DETAIL DRAWING
IWSDET-112 UNDERLAYMENTS — USE OF RIPCORD FOR DETAILING DETAIL DRAWING
Technical Letters
TB-0008 — USE OVER FLUTED METAL DECKS TECHNICAL LETTER
TL-0001 — INSULATION AND VENTILATION TO LIMIT ICE DAM FORMATION TECHNICAL LETTER
TL-0002 — USE AS AN AIR AND VAPOR BARRIER TECHNICAL LETTER
TL-0003 — EXPOSURE GUIDELINES FOR ROOFING UNDERLAYMENTS TECHNICAL LETTER
TL-0004 — SLOPE REQUIREMENTS TECHNICAL LETTER
TL-0005 — CHEMICAL COMPATIBILITY TECHNICAL LETTER
TL-0006 — IN-PLACE PERFORMANCE TEMPERATURES TECHNICAL LETTER
TL-0007 — USE UNDER ARCHITECTURAL METAL ROOFING TECHNICAL LETTER
TL-0009 — FASTENER SEALABILITY TECHNICAL LETTER
TL-0010 — USE OVER GEORGIA-PACIFIC DENSDECK® AND DENSDECK® PRIME TECHNICAL LETTER
TL-0011 — SHELF LIFE OF ROOFING UNDERLAYMENTS TECHNICAL LETTER
TL-0012 — USE ON ORIENTED STRAND BOARD (OSB) ROOF SHEATHING TECHNICAL LETTER
TL-0013 — RIGID ROOF INSULATION BOARDS AND GCP UNDERLAYMENTS TECHNICAL LETTER