Roofing Material Specifications and Details - BITEC, Bitumen ...
Roofing Material Specifications and Details - BITEC, Bitumen ...
Roofing Material Specifications and Details - BITEC, Bitumen ...
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B U R - M O D S Y S T E M S<br />
BUR<br />
MOD<br />
Seal with modified bitumen<br />
or asphalt bleed out at edges<br />
Metal edge trim with flange<br />
primed top <strong>and</strong> bottom <strong>and</strong><br />
set in modified bitumen<br />
sealant. Nails 3" o.c.<br />
staggered.<br />
1" minimum height difference<br />
Gutter with straps<br />
or supports as<br />
required by project<br />
details<br />
When face dimension<br />
exceeds 2.5", a continuous<br />
hook strip may be required<br />
BUR<br />
MOD<br />
1. Draining Edge with Gutter<br />
,<br />
4" min. 4" min.<br />
1a. Draining Edge with Gutter, alternate<br />
Seal with modified<br />
bitumen or asphalt<br />
bleed out at edges<br />
Metal edge trim with flange<br />
primed top & bottom <strong>and</strong> set in<br />
modified bitumen sealant.<br />
Nails 3" o.c. staggered.<br />
RE: Detail #2<br />
1" minimum<br />
height difference<br />
Gutter with straps<br />
as required<br />
4"<br />
<strong>BITEC</strong> cap membrane over<br />
metal edge flashing.<br />
<strong>BITEC</strong> flashing membrane<br />
edge strip<br />
<strong>BITEC</strong> field membrane,<br />
turned down over edge with<br />
optional surfacing or coating<br />
One or two plies of<br />
Type IV or Type VI<br />
interply felts, set in<br />
hot asphalt<br />
Base sheet or 1st ply as<br />
required<br />
Roof insulation<br />
Roof deck<br />
CAUTION: This alternate edge detail is not in compliance with FM Loss<br />
Prevention Data Bulletin I-49 for Perimeter Flashings<br />
64<br />
Wood blocking, secured with<br />
appropriate fasteners; match<br />
insulation thickness<br />
<strong>BITEC</strong> smooth membrane,<br />
turned down over edge.<br />
Extend min. of 6 - 8" past<br />
edge of metal flange<br />
One or two plies of Type IV or<br />
Type VI interply felts, set in hot<br />
asphalt<br />
Base sheet or 1st ply as<br />
required.<br />
Roof insulation<br />
Roof deck<br />
Wood blocking, secured with<br />
appropriate fasteners; match<br />
insulation thickness<br />
When face dimension exceeds 2.5", a<br />
continuous hook strip may be required
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