Specifications - Lord and Son Construction, Inc.

2. Description: Flashing membrane shall have non-woven polyester
reinforcement and thermofusible elastomeric asphalt. Under side to have a
sanded surface. Topside to have a thermofusible plastic film.
3. Composition: Reinforcement shall be 3.68 lbs/sq. non-woven polyester.
Elastomeric asphalt shall be a mix of selected bitumen and SBS thermoplastic
polymer.
a. Approximate thickness – 120 mils
H. Modified Cap Flashing:
1. “Sopralast 50 TV ALU” as manufactured by Soprema or from one of equal
manufacturers:
a. “Dynaclad”; Johns Manville
b. “SBS Metal Flash AL”; Firestone
c. “Ultraclad SBS”; GAF
2. Description: Waterproofing sheeting, aluminum foil faced, based on
elastomeric modified bitumen and a glass fabric reinforcements. The
underside shall be protected by a thermofusible film.
3. Composition: Reinforcement shall be 1.04 lbs/sq. fiberglass. Elastomeric
asphalt shall be a mix of selected bitumen and SBS thermoplastic polymer.
a. Approximate thickness – 168 mils.
I. Polyurethane Coating System:
1. “Alsan Flashing System” as manufactured by Soprema – consisting of “Alsan
Primer HES”, “Alsan Flashing”, and “Alsan PolyFleece”.
a. This component of the roofing system may be provided under other
manufacturers besides Soprema. Manufacturer to include system in their
overall roof warranty.
b. Equal manufacturers include:
2. Description:
(1) “PermaFlash”; Johns Manville
(2) “Ultraflash”; Firestone
(3) “Topcoat Matrix MajorSeal”; GAF
a. Alsan Flashing is a polyurethane/bitumen resin, single-component, and
moisture-cured compound. Brown in color, with a drying time of 2 to 12
hours.
MAGH121038
07 52 16-8 MODIFIED BITUMINOUS MEMBRANE ROOFING