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semcoworks

Natural Shield by semcoworks

Choose your piece — $25.30
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White plastic jar of Natural Shield Industrial Flat Finish Sealer by Semco with black and white label and a white ribbed screw-on lid.
Natural Shield sealer container by semcoworks
White neoclassical building with six tall columns and a triangular pediment, surrounded by green hedges and tall trees under a clear sky.
Person in yellow shirt applying a treatment over a light brown tiled patio with darker tan border patterns, adjacent to white house wall with potted plants.
Curved pool steps with a white handrail descend into clear blue water, surrounded by beige and light cream-colored tiled deck with subtle geometric patterns.
Modern outdoor patio arrangement with two dark gray L-shaped sofas forming a rectangle around small square tables, surrounded by white wicker egg chairs and potted plants.
Rectangular indoor pool with pale blue water, surrounded by beige concrete flooring and white columns supporting an overhead structure with windows and stone walls.
Close-up of red brick wall showing water droplets on a treated section, contrasted with a drier untreated section near gray mortar lines.
White plastic jar with a white screw lid labeled Natural Shield Industrial Flat Finish Sealer, detailing uses, substrates, and application methods on a black and white label.
White five-gallon plastic pail labeled Natural Shield industrial flat finish sealer by semcoworks with black and white text and symbols on a gray background

Vendor:semcoworks

Natural Shield by semcoworks

Sale price$25.30Regular price $32.90
Size
Size: 1 Pint Sample
Worry-Free Purchase® by Seel Returnable for any reason and get a full refund
  • Return eligible purchases for any reason within the coverage window
  • Protection for eligible shipping issues
  • Claims and covered refunds handled directly by Seel

Availability, coverage, terms, and the live protection price are shown in your cart.

Shipping calculated at checkout. Delivery timing varies by item and location.

View full return policy
Details

Natural Shield is a high-performance waterproofing sealer designed for surfaces like mortar, tiles, stucco, brick, and natural stone. Its low molecular weight allows deep penetration into substrate pores to form a durable, breathable membrane. The product resists alkaline materials, freeze-thaw damage, and UV rays while preserving a natural finish. Available in multiple sizes to match project needs.

  • Durable waterproofing with excellent penetration
  • Can be applied on damp surfaces
  • Resistant to alkaline, freeze-thaw damage, and UV
  • Increases the lifespan of various masonry surfaces
  • Available in sizes from 1 Pint Sample to 5 Gallons

Explore more finishing & surface care.

Brand: semcoworks
Category: Sealer
Sizes: 1 Pint Sample, 1 Quart (covers up to 30 sq ft), 1 Gallon (covers up to 350 sq ft), 5 Gallons (covers up to 1750 sq ft)
Suitable Surfaces: Mortar, tiles, stucco, brick, natural stone
Resistance: Highly alkaline resistant, freeze-thaw damage resistant, UV unaffected
Application: Can be applied on damp surfaces
Coverage: Varies by surface type and size
Durability: Long-lasting waterproof membrane
Finish: Natural
Dimensions & sizing

Size options: 1 Pint Sample; 1 Quart (covers up to 30 sq ft); 1 Gallon (covers up to 350 sq ft); 5 Gallons (covers up to 1750sq ft)

Size

  • 1 Pint Sample
  • 1 Quart (covers up to 30 sq ft)
  • 1 Gallon (covers up to 350 sq ft)
  • 5 Gallons (covers up to 1750sq ft)