Category: Knowledge base

Grouting : General Commentary

Cracks are never uniform, and the width of the crack or separation plane between materials may vary, either as a result of the shape of the fractured interfaces or from particle accumulation within the void. The void may also have become contaminated with debris carried into the gap under the action of on going movement… Read more »

Very Fine Particle Grouts

Purpose: Suitable for filling fine fractures in unit masonry, to prevent uncontrolled water ingress through fine cracks in otherwise suitable materials and ideal for early concretes where strengths are more commonly less than 25N/mm2. Ideal for roman cement render re-attachment to backgrounds or within layers. Suitable for repairs to detachment and or cracked moulded decorative… Read more »

What Mortar? Grouting

Choosing an appropriate Lime Grout if this is not your first grouting project you may just want to pick your grout from our product list, so go here for our Grouts and choose the product that best suits you for the job your doing. If you have some experience but want some specific advice and… Read more »

Plaster Patching

Patching traditional lime or gauged lime plaster is easy until you come to the final coat, so here are the most important things you need to know But if it is, fix it well and to a high standard if it isn’t broken – don’t fix it, sounds simple, but many people can’t recognise when… Read more »

What Mortar? Plastering

Choosing an appropriate Lime Plaster Are You Patching – repairs to exiting walls and ceilings Re-plastering – walls and ceilings which had been plastered Plastering from scratch – all new work walls and ceilings if this is not your first plastering with Lime mortars, you may just want to pick your plaster from our standard… Read more »

Re-pointing chooser

Pick from the pictures the type of wall you wish to repoint

Natural Hydraulic Lime (NHL) Renders

The correct specification for any render should consider the nature and condition of the background, site exposure, time of the year (weather maps / rainfall and wind driven rain indices are available from the BRE) and type of finish required. The success of a render depends on ensuring good background preparation and suction control, the… Read more »

Lime Putty Plaster

Squared and Sneck Bullnosed

We stock a large quantity of lime plaster course stuff made with mature lime putty and well graded sharp sand. The lime : sand ratio will always be a minimum of (1 : 3) but may be as high as (2 : 5) depending on the sand and aggregates.