Top 8 Self Leveling Seam Sealer – Exterior Sealants

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1. 3M

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200 mL Cartridge, 3M Self-Leveling Seam Sealer, 08307

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3M #ad - Formula is made for the automotive aftermarket industry. Transparent in color for a low profile appearance. Ready for painting in 15 minutes. Self-leveling epoxy designed for areas requiring a flowable type sealer. Cured sealer matches OEM seams for a professional look.
Brand3M #ad
Manufacturer3M #ad
Height8 Inches
Length8 Inches
Weight0.5 Pounds
Width8 Inches
Part Number08307
Model08307

2. ACDelco

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ACDelco 10-2013 Body Joint and Seam Filler Compound, 11 oz

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ACDelco #ad - Fast curing and skins over quickly—can be painted 60 minutes after application. Can be used for all sealing and adhesive applications with a standard caulking gun in both vertical and horizontal joints. Flexible, non-staining, and non-sagging product that will not crack or shrink. For professional use only – not for retail sale.
BrandACDelco #ad
ManufacturerACDelco #ad
Height1 Inches
Length5.8 Inches
Weight0.63 Pounds
Width8.5 Inches
Part Number10-2013
Model10-2013
WarrantyNo Warranty

3. Dicor

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10.3 Fluid_Ounces Packaging May Vary, Dicor 501LSW-1 Epdm Self-Leveling Lap Sealant-10.3 Oz. Tube, White

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Dicor #ad - Adheres firmly to aluminum, wood, vinyl, mortar, galvanized metal, fiberglass and concrete. Color: White. Compatible with EPDM and TPO sheeting. Creates a secure, secondary seal along the roof’s edges, air vents, vent pipes and screw heads.
BrandDicor #ad
ManufacturerDicor #ad
Height4 Inches
Length12 Inches
Weight0.8 Pounds
Width4 Inches
Part Number501LSW-1
Model501LSW-1

4. 3M

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200 mL Cartridge, 3M Heavy-Bodied Seam Sealer, 08308

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3M #ad - Appropriate for bare metal applications. Heavy-bodied, non-flowing, non-sagging, and easy tooling formulation for matching OEM seam sealer appearances. Black in color. A high performance two component epoxy seam sealer.
Brand3M #ad
Manufacturer3M #ad
Height7.7 Inches
Length3.8 Inches
Weight0.5 Pounds
Width2.2 Inches
Part Number08308
Model08308

5. Dicor

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4 Pack, Dicor 501LSW-1 Self-Leveling Lap Sealant

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Dicor #ad - Improves the ability to continuously seal and remain flexible. Helps create a seal along a roof's edges, around air vents, vent pipes and screw heads. Compatible with any roofing material. Uv stabilized to prevent deterioration and discoloration, will not stain or discolor any material to which it is applied. Offers excellent adhesion to aluminum, wood, vinyl, mortar, galvanized metal and concrete.
BrandDicor #ad
ManufacturerDicor #ad
Height9 Inches
Length22.25 Inches
Weight3.31 Pounds
Width13.75 Inches
Part Number501 - LSW6
Model501 - LSW6

6. SEM

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7 oz, SEM 39387 Self Leveling Seam Sealer

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SEM #ad - Will not shrink, Harden or crack. Flows into crevices. Permanently flexible. Excellent self Leveling properties. Use on bare metal or primed surfaces.
BrandSEM #ad
ManufacturerSEM #ad
Height7.5 Inches
Length1.5 Inches
Weight0.63 Pounds
Width3 Inches
Part Number39387
Model39387

7. Eastwood

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Eastwood 2K Urethane Epoxy Topcoats Self Leveling Fast Curing Seam Sealer Cartridge

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Eastwood #ad - Fast setting And Curing. Self-leveling seam and Sealer Leaves A Factory-Like Finish. 2-component. Compatible with Urethane And Epoxy Topcoats. Ideal for trunks, drip Rails, floors, Core Supports And Rocker Panels.
BrandEastwood #ad
ManufacturerEastwood #ad
Weight1 Pounds
Part NumberXSM9002U 51653 Z

8. 3M

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Black, 3M Urethane Seam Sealer, 310 mL Cartridge, 08367

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3M #ad - Can be smoothed to a featheredge or brushed. Thick consistency is able to fill large voids. High quality, single component formula adheres well to bare metal, primed metal and painted surfaces. Non-shrinking, non-cracking, low/no odor formula remains flexible and offers superior results to solvent-based sealers. Paintable after 30-45 minutes. Moisture curing property provides excellent performance in high heat and humidity environments.
Brand3M #ad
Manufacturer3M #ad
Height2 Inches
Length9 Inches
Weight0.42 Pounds
Width2 Inches
Part Number08367
Model08367