Huge heat loss occurs when a chimney damper doesn't seal properly or is missing or broken
We just tack weld them on so they don't flop all over the place
Anything the cap fits (95%)
Damper plate closes against fiberglass gasket (white) for a tight seal (screen removed for demo)
Universal Damper Kit - 304 Stainless Steel
Water Guard (Masonry Water Repellent) Size:5 Gallon Huge heat loss occurs whenWater Guard (Masonry Water Repellent) can be applied to a wide variety of masonry surfaces such as: brick, architectural concrete, concrete block, split face block, pavers, stucco, porous and exposed aggregate concrete. Water Guard when applied correctly reduces cracking, spalling, freeze & thaw damage, chemical degradation, biological growth and efflorescence thereby lengthening substrate life. Low VOC emissions on curing; EPA compliant, UV stable