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  • Shikkui Undercoat for Interior

Product Specifications

A gypsum-based substrate primer for shikkui. It is an indispensable all-purpose substrate material in modern homes, where gypsum board is the standard substrate. It is ideal for interior substrates such as gypsum board, plywood, and wallpaper.

Main Component

Acrylic binder, gypsum (neutral type)

Packaging

Set Contents: 4 kg of main material (powder), 1 kg of binder (liquid)

4 sets per box

Recommended Uses

Interior Surface Preparation Material

Application Methods and Standards

Plaster Finish

Emissions Classification: F☆☆☆☆ (Japan Building Coating Materials Association, Registration No. 0307413)

Technical Data

Standard Coverage

4 square meters

Standard Coating Thickness

1 mm

Net Mass / Suggested Water Addition

5 kg (4 kg main material, 1 kg binder) × 4 sets / Clean water: 400 ml or less per set

Suitable Substrates

Drywall

Vinyl Wallpaper

Mortar and Concrete

Plaster Walls

Earthen Wall

Sand-Coated Walls and Fiber-Reinforced Walls

Installation Precautions

・Do not use on surfaces other than those specified.

・Apply the product in a uniform thickness. Excessively thick applications can cause pinholes or mesh-like cracks.

・For uneven old walls, first apply a thin coat with less water, then apply additional coats after the water has been drawn off.

・After applying this product, ensure it is completely dry before applying a topcoat. Rushing the application may cause pinholes, blistering, discoloration, or stains.

Frequently Asked Questions

Q.

Is this the same product as the Tagawa Sangyo Board Base?

A.

Yes, that's correct. Tagawa Sangyo Board Base is the former name.