Our Products
- Roof Coatings
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- EPDM Rubber Coating
- Low VOC Coatings
- Flat Roof Coatings
- Liquid Rubber
- Liquid Roof
- Low VOC EPDM
- Accessories
- Roof Repair
- Built Up (BUR) Roof Repair
- Asphalt Roof Repair
- RV Roof Repair
- EPDM Rubber Roof Repair
- Liquid Rubber Sealant
- Pipe Penetration Sealer
- BARR Flash & Seal
- Floor & Concrete Coatings
- Water Based Epoxy
- Seal Pack
- Crack Fillers
- Butt Putty
- Liquid Rubber Sealant
- Water Park & Playground Sealer
- Sport Surface Sealer
- Waterproofing
- BARR
- Seal Pack Waterproofing
- BARR Flash & Seal
Flat Roofing Repair Made Simple with Our Flat Roof Repair Kit. Works on Asphalt Roof Repair!
Finally an affordable, easy to install flat roof repair solution that will work on Asphalt and concrete. At 60 Mils DFT this is no elastomeric. This is a permanent flat roof repair!
BARR™ Roof Repair Kit is a four step cold applied single component roof repair process that cures by exposure to atmospheric moisture to form a continuous, tough, reinforced elastic waterproof seal. Barr Flat Roof Repair kit will repair your flat commercial or residential roof. BARR is easy to install view our Flat Roof Repair installation instructions
BARR Flat roof repair bonds well to Asphalt and concrete as well as other roofing materials. This makes BARR the perfect solution for Hot Tar roof repair, Built Up Roof Repair(BURR) as well as repairing many other types of flat roofing projects. Our Flat Roofing Repair kit includes enough material to repair 100 Sq. Ft (includes mastic and fabric.) BARR can be purchased in Larger Quantities through our BARR Built Up Roofing Page.
BARR is environmentally friendly, LEED Accredited and Green. It is not hazardous and can be used in many public jobs while occupied.
Our Price $89.99
BARR Bonds to asphalt and concrete with no need for hot kettles or torching. BARR is Non Flammable, solvent Free, 100% solids and will not shrink When applied to your flat roof, BARR will skin over in 10 minutes minimizing dirt pick up
| Additional Waterproof Mastic | Flash & Seal Tubes |
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In above grade applications, use BARR Roof
Repair kit to seal leaks in low slope Built up Roof
(BUR) applications.
BARR Roof Repair is solvent free and compliant
with all known environmental and OSHA
requirements. BARR can be used in confined spaces
without respiratory protection.
BARR Roof Repair forms an elastic rubber that is resistant to thermal shock. It will not crack in extreme cold or slump due to softening at high temperatures like conventional asphalt or coal tar based coating.
For complete Technical Data, refer to the BARR
Liquid Waterproof Membrane Technical Data
Guide and MSDS. Always test & evaluate to
ensure compatibility prior to full application.
Application Instructions for Flat Roof Repairs With BARR Waterproof Mastic
Step 1‐ Remove all loose material, standing water, frost, dust and dirt around the repair area
and apply enough BARR to the repair area, that when troweled smooth will extend past the
void a minimum of 1” in all directions.
Step 2‐ Embed an appropriate size piece of ReBARR polyester fabric into the wet mastic and
dry trowel it into place.
Step 3‐ Apply enough BARR to the surface of the ReBARR fabric that when troweled smooth
that it completely covers all the fabric. Make sure all edge perimeters of the BARR mastic are
feathered smooth.
Option‐ If desired, shingle granules can be sprinkled into the wet top dressing of the BARR
mastic for aesthetic reasons.


