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Dicor 501LSW is a self-leveling silicone lap sealant for horizontal roof surfaces on RVs and other roofs. It flows out to form a watertight, flexible seal along roof edges, around vent pipes, air vents and screw heads. It bonds to aluminum, mortar, wood, vinyl, galvanized metal and concrete, and is UV stabilized so it resists discoloration and deterioration. It suits RV owners and roofers resealing or maintaining a roof; against general-purpose caulks it is built specifically for flat, horizontal lap seams rather than vertical joints.
In stockSold by RV Pro ShopReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
RV owners widely use Dicor lap sealant for roof resealing and report it flows well and holds up in sun and weather. Complaints center on application mess and the need to redo seams over time.
This is a self-leveling lap sealant for horizontal surfaces. It helps create a watertight seal along a roof's edges, around air vents, vent pipes and screw heads. It is compatible with any other roofing material.
The sealant adheres well to aluminum, mortar, wood, vinyl, galvanized metal and concrete. It stays flexible and keeps its seal over time. It is UV stabilized to prevent discoloration and deterioration, and it does not stain or discolor the materials it is applied to.
