Spray foam roofing offers high R-value, quick installation, and easy maintenance for commercial buildings, with challenges in weather and pricing.

Spray foam guns come in solvent purge, air purge, and mechanical purge types. Choosing the right gun ensures efficient and timely insulation projects.

Graco offers versatile spray foam guns: Fusion AP for easy maintenance, Fusion CS with liquid purge technology, and GX-7 for varied flow rates.

Concrete slab lifting methods include core drilling with grout or foam injection, using a jack, or applying closed-cell foam for quick, stable results.