INSTALL BLACK 4' X 10' SINGLEWALL SOLID DRAIN PIPE FOR DRAINAGE. 11 4492 ROOF SHEATHING 3/4" 96.00 SF ________ ________ Install 3/4" CDX plywood sheathing nailed 8" on center using plywood clips. THIS SPEC COVERS ROTTED DECKING. 12 4550 TPO--FULLY ADHEARED 12.50 SQ ________ ________ Clean all loose materials off of roof. Remove all esisting roofing materials to the roof deck. Install a minimum 60 mil fully adheared polyester scrim reinforced thermoplastic polyolefin roofing membrane (TPO) that meets or exceeds the requirements of ASTM D6878 Standard Specification for Thermoplastic Polyolefin Based Sheet Roofing, and is guaranteed for 15 years in writing by the manufacturer. All roofing, accessories and adhesives shall be approved for use with the roofing material by the roofing manufacturer. All flashing and terminations to adjoining building components shall be per manufacturer's specifications. The roof surface shall be structurally sound and continuously sloped for propper drainage. Install wood nailers at all roof perimeter edges where metal edging and gutter systems are specified or where indicated in the manufacturer's installation requirements. All adheasives shall meet contain less than 250 g/l of VOC content. Roofing shall be installed over a roofing manufacturer's approved polyisocyanurate foam core insualtion board with laminated heavy, black (non-asphaltic) glass fiber reinforced felt facers with no gaps between boards. THIS SPEC COVERS THE FRONT PORCH & MAIN FLAT ROOF. 13 4580 REROOF--FIBERGLASS ARCHITECTURAL SHINGLES 2.00 SQ ________ ________ Remove and dispose of all roofing & defective sheathing. Cut a 1" wide vent at ridge board. Replace up to 5 sf of sheathing per 100 sf of roof using pine board or CDX plywood of matching thickness. Install 15 lb felt underlayment over the entire roof with manufacturer approved fasteners. Install preformed white aluminum, drip edge, and vent pipe boots. Install self- sealing, laminated fiberglass asphalt shingles with a limited lifetime warranty. Replace all flashing, including valleys, with 0.19" aluminum sheet metal. Install step flashing and counter flashing at all wall junctures. Install flashing and roofing shingle style, not relying on sealants for waterproofing. Install shingle-over ridge vent. Color choice by owner. 14 4605 SKYLIGHT--SEAL LEAKS 1.00 EA ________ ________ Repair skylight to create a watertight seal. Replace deteriorated weatherstripping, leaking insulated glass units, deteriorated sealants between the frame and glass, and/or step flashing and counter flashing around edge. 15 4615 FLASHING BRICK WALLS 20.00 LF ________ ________ REMOVE & REPLACE METAL FLASHING UPPER SIDE BRICK WALLS AT SHINGLES. STEP FLASH BRICKS. 16 4620 FLASH CHIMNEY 1.00 EA ________ ________ Step flash top and down sides of chimney 1/2" into mortar joints using .027 aluminum or copper. Counter flash completed assembly with aluminum. Guarantee assembly from leaks for 10 years. 17 4635 GUTTER--5" SEAMLESS ALUMINUM 44.00 LF ________ ________ Dispose of gutter. Install 5", K- type, seamless, .027 gauge aluminum gutter to service roof. White gutters only.
