If it s a very old crumbly almost soft render it s more likely to be lime based and breathable paints are worth considering.
Breathable floor paint uk.
On period buildings that have been painted in the past with a non breathable paint and where the paint has bubbled and come away from the building it is necessary to remove as much paint as possible and then re paint with breathable paint.
In the case of timber floor structures the most common underlying problems relate to rotten timber joists.
Resistant to water solvents acids alkalis and salts.
The isovit silicate paint system which requires a base coat of silicate primer for most applications provides a high quality long lasting finish for use internally and externally.
Breathable the membrane of the waterproof paint should be breathable to prevent the build up of damp and water pressure within a substrate.
Two pack epoxy floor sealer under coat this epoxy floor paint first coat is designed to prepare the surface of concrete cement and non ferrous metals.
I looked in to this and although linoleum marmoleum is made from natural products i don t believe it s breathable i found a link on forum where a chap had made enquiries in to bamboo and linoldeum and his thread said from enquiring to a company about linoleum specifically marmoleum compatibility with a limecrete floor i received this.
Adding some kind of breathable insulation to a floor base is key to it performing to modern standards but the additional build up required can be hard to accommodate image credit.
Peeling wallpaper or crumbling plaster is a clear sign.
Cement renders are very hard most modern renders will be cementitious.
Isovit silicate paint by seciltek is an exceptionally durable and highly breathable paint for masonry having an sd value of 0 01 m.
We have a range of breathable paint solutions for exterior and interior lime rendered walls.
And expert advice on hand if you need more guidance.
Floor or from the humidity of the space.
The majority of our internal paints can be applied over existing paint finishes however a breathable paint is only as good as the surface it is applied too so the problem could still persist.
If it s a cement based render then there is no point in breathable paints on the outside as it s not a breathable layer that you are painting.
Alistair nicholls repairing wood floors.
2 the earthborn paints are very good paints easy to use and suitable for both lime and modern plasters.
Breathable paints are those which allow water and moisture to permeate through materials.
Allowing water vapour to permeate the membrane does not encourage damp but does encourage stability.
Providing a smooth durable finish the rust oleum 225359 concrete floor paint epoxy shield is a single part epoxy paint that s great for sealing and protecting any concrete surface either indoors or outdoors.