Heavy Building Materials


Whether you are looking for medium dense, dense, or aerated blocks. These are the main products used for the structure in most properties.

Our 7N dense blocks sizes come in 100 or 140mm and can be used for the foundations of a building with a low U value or when laying concrete floor beams. Our team can advise customers on the variety of strengths that we offer.

Our aerated blocks can be used for secondary insulation in builds or for foundations, with the blocks coming in different sizes and ā€œUā€ values.

For large projects, these items can be delivered directly to site to ensure you have sufficient stock, without having to complete multiple collections/deliveries.

Concrete beams

Concrete floor beams are used for extensions, new builds or second stories. These can come in different lengths and sizes.

Our branches stock 150mm height and range from 3 metres to 5 metres, available to collect or have delivered to site.

If you are looking to have made to measure dimensions, please speak with one of the team in the branch who can supply a floor design plan from your drawings along with additional products to go with the project.


As part of NMSB, we produce our own aggregates, which are offered as midi bags, bulk bags or loose loads.

For further information, speak with one of the team or click here to visit our construction aggregates page.


Whether you are looking to do a new build, extension or match the current brick on your property, we will help you select the right brick for your needs.

We currently stock the most popular ranges in the branch but if there is a specific brick that you are looking for, we have access to multiple suppliers that support us, along with our brick library.

Brick Sundries

Whether it will be new builds or extensions we offer the sundries to go along with your project.

We offer;

  • Damp proofing in various size
  • Code 04 lead
  • DPC and membranes
  • Universal starter kits and frame ties

To enquire about what you are looking for, then please talk to one of our members in branch for further information.


When you are looking to reinforce your concrete for your new build, extension or base. We offer reinforcing mesh, mesh chairs or rebar in branch. If you are enquiring about a specialist item, then talk to one of our members for us to source the items you need.

Concrete civils

We supply a wide range of kerb products to ensure it meets your project needs. We supply;

  • Bullnose kerbs
  • Half-battered kerbs
  • Full battered kerbs
  • Cross Kerbs
  • Channels
  • Edgings
  • Gully surrounds

Construction chemicals

Our branches keep a wide range of construction chemicals for your needs to ensure you have the relevant product for your project. We currently stock;

  • Cement dyes
  • SBR Bond
  • Foam filler
  • Mortar plasticiser
  • PVA
  • Mortar and brick cleaner
  • Frost proofer
  • Fungicidal wash
  • Water seal
  • Silicone sealant (sanitary, frame, multi-purpose and more)
  • Adhesives

If the product you require is missing, please speak with one of our friendly team.


We have a varied range of insulation for all your needs. We offer;

  • Cavity wall insulation
  • Fibreglass
  • PIR boarding
  • Jab flooring
  • Multifoil

If there is a specialist product you require, please speak with the team in store.


Whether you are looking to dryline your new build, extension, or repair an area, we offer an extensive range of plasterboard for your specific requirement, available in multiple thicknesses and board sizes. These include;

  • Fire-rated
  • Moisture barrier
  • Sound barrier
  • Acoustic
  • Thermal
  • Cement board

We can also provide plaster, beading, tools and many other accessories to help.


If you are looking for concrete or metal lintels, we offer an extensive range of products.

Our concrete lintels come in various lengths and thicknesses depending on your projects.

Our steel lintels come in various designs and alongside this, we can support you on your next project by working on your building designs to ensure we have the right product to meet your specifications.

Our Accreditations