Attics
AtTEK® for attic applications and confined spaces.

Wood Trusses
Fire Resistant Roof Systems
AtTEK® is a proprietary intumescent coating that allows builders to fireproof right at the framing stage. AtTEK® meets all of the testing required to be an alternative to NFPA-13 and eliminates the issues, costs, and catastrophes associated with sprinkler systems in confined spaces.
- Specifically designed for harsh climates. AtTEK® binds to the surface of the wood to form a tough and durable coating, protecting truss members from potential fire threats.
- AtTEK® is a favoured alternative to traditional dry or glycol systems in confined spaces and is changing the way wood buildings are designed.
- AtTEK® eliminates the need for sprinklers and the associated risk of an unexpected flooding while the building is occupied.
AtTEK® is treated either at the factory or onsite by certified BarrierTEK applicators. The product is applied at 22 mils on all substrates:
- The trusses that are done in-house by BarrierTEK are checked by weight; each sheet has 2100 grams of AtTEK® applied to it to reach 22 mils.
- All onsite applications are spot-checked at least 11 times in each unit to have 22 mils to ensure adequate coverage.
BarrierTek Products
We don’t see an untreated wood building. We see a box of matches. Our scientists understand that preventing fires in wood structures requires a comprehensive approach and have developed the products vital to doing so.
Lumber
Treating each piece of dimensional lumber with BarrierTek before it reaches your site guarantees complete fire protection.
Attics
An alternative to traditional dry or glycol systems that eliminates the need for sprinklers in confined spaces like attics.
I-Joists
An untreated joist’s web burns through about 70% faster than its top and bottom chords, compromising its support.
Panels
Our OSB and plywood sheets have a patented factory-applied fire-retardant coating that doesn’t alter performance.