D/2 Biological SolutionD 2 Biological Solution is a powerful, biodegradable cleaner specially formulated to remove biological growth and atmospheric staining from historic buildings, monuments, and masonry surfaces. Trusted by conservators and preservationists worldwide, D 2 has been used on iconic structures such as The White House, The Alamo, and countless heritage sites across the globe. Developed for professional conservation use, D 2 removes mould, mildew, lichens,

stone masonry

Generous 13in (330mm) square size

Contains silicification-active fillers with 0

Decorative façade enrichments

✔️ Breathable & Vapour-Open: No surface film

general building work

Extremely High Thermal Performance

The plaster is:

Complete the build-up with the specified screed

battens) promptly where required to support insulation weight

silicate paints

Roundtower Marine P15 Mortar is a ready-mixed natural cement mortar developed for building