The uncompromising approach of our engineers and designers means D.H.W. Thermal Wall Siding is a realization of your values. From flawless appearance and unsurpassed insulation that can increase the value of your home, to true maintenance freedom, reduced energy bills and a worry-free warranty,* D.H.W. Thermal Wall Siding is the most evolved siding on the market .

A precisely contoured insulating underlayment - the thickest foam in the industry up to 1-1/2" thick** -delivers exceptional R-value (resistance to heat flow), while providing the rigidity and straight course lines you expect from a wood product. The surface texture has the genuine and subtle feel of finely milled cedar lumber. D.H.W. Thermal Wall Siding's high-performance insulation is form-fit to adhere to the outer panel, providing outstanding strength and durability to withstand Mother Nature while safeguarding against energy loss.

* See printed warranty for complete details.

** Nominal, including foam insulation.