Board Joint Filler

Uchika Pate

Product Specifications

A gypsum-based joint filler for shikkui. It sets quickly and has minimal shrinkage. Because it is a high-strength joint filler, it is effective in preventing cracks at board joints.

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 Joint Filler

Construction Methods and Standards

Plaster Finish

Construction Specifications

Standard Construction Area

40 m (approximately 1 m per 1 m²)

Standard Coating Thickness

1 mm

Net Mass / Water Content

5 kg (4 kg main material, 1 kg binder) × 4 sets / Approx. ○○ L of clean water

Suitable Substrates

Drywall

Mortar and Concrete

Plaster Walls

Earthen Wall

Sand-Coated Walls and Fiber-Reinforced Walls

Specialized Intermediate Coat Material

城かべ　中塗り

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城かべ　あつもり

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.