Window installation with exterior insulation is a challenge. Solve the problem with ThermalBuck.

 : ThermalBuck in Three Minutes

ThermalBuck extends the mounting point for windows & doors, and insulates the rough opening to limit thermal bridging. 

Product Sizes & Dimensions

ThermalBuck outperforms a traditional wood buck, and protects the integrity of your window installation. 

Testing & Technical

PHIUS Verified Psi-Install Data:
Alpen 925 Zenith Nail Fin Installation
with ThermalBuck.

Thermal Bridge Coefficients

News & Events

Building an Affordable, High-Performance Home November 27, 2018

Working for Habitat for Humanity is a life-changing experience. We knew going into the high-performance home build in Randolph, Vermont, that the work was important. Affordable housing is one of the most critical issues in communities all over the world – and Vermont is no exception. But what we didn’t… Read more

ThermalBuck to Exhibit at Architecture Boston – ABX 2018 November 6, 2018

BRINC Building Products, Inc. is proud to announce that we will be exhibiting ThermalBuck at this year’s ABX (Architecture Boston) event in Boston, Massachusetts, November 28th-29th. ABX is widely known in the building industry as the largest design and construction event in the Northeast. Hosted by the Boston Society of Architects (one… Read more