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Clay Undercoat Plaster With Straw 

£18.90

Single-layer or multi-layer undercoat plaster for interior use. Clay undercoat plaster with straw has been the classic for thick layers for 25 years, e.g. on uneven masonry, for wall surface heating or monument renovation. Up to 35 mm can be applied in one operation. The material has excellent workability, adheres overhead, is suitable for slot filling and much more. Clay underplaster with straw is the basis for all coarse and fine ClayTec clay finishing plasters.

Single-layer or multi-layer undercoat plaster for interior use. Clay undercoat plaster with straw has been the classic for thick layers for 25 years, e.g. on uneven masonry, for wall surface heating or monument renovation. Up to 35 mm can be applied in one operation. The material has excellent workability, adheres overhead, is suitable for slot filling and much more. Clay underplaster with straw is the basis for all coarse and fine ClayTec clay finishing plasters.

Product Information

Application

Single or multi-layer undercoat plaster in interior areas. Hand or machine plastering. For monument renovation, on masonry and solid building materials, for Wandflächenheizungen, on reeds, etc.

Composition

Natural building clay up to 5 mm, mixed-grain washed sand 0-2 mm.
Grain group, oversize according to DIN 0/4, < 8 mm. Barley straw fibers up to 30 mm.

Building material values

Drying shrinkage 2%. Strength class S II. Flexural strength 0.7 N/mm2. Compressive strength 1.5 N/mm2. Adhesive strength 0.10 N/mm2. Bulk density class 1.8. Thermal conductivity 0.91 W/m∙K. µ-value 5/10. Water vapor adsorption class WS III. Building material class A1.

Delivery form, coverage

Dry 10.110 in 25 kg bags
(add. 16.7 l plaster mortar, 1.1 m2 area at D= 1.5 cm. Approx. 1.50 kg/m2 per mm plaster thickness), 48 bags/pallet

Storage

Can be stored dry and cool for an unlimited period

Product Sheet