Resistance to color changes after accelerated weathering tests using UV light and heat to mimic exposure siding would encounter on an actual home. The CertainTeed Monogram Double 4" Clapboard is ...
“The old, hollow-backed panels with a 4-inch lap have been replaced ... of this next-generation vinyl is Certainteed CERTAplank Single 7' Reinforced Siding (pictured), which took home a Good ...