Moisture Resistant Insulation

The moisture resistant insulation is very important as it can prolong the life of your home and stop its deterioration caused by moisture, mould or flooding. High quality moisture resistant boards should be used especially in in wet areas such as bathrooms and kitchens. The right choice of insulating material may depend on the surface it is being applied to, its ability to coexist and work with other materials, the ability to drying and the location of the building, if applied on the exterior. 


Resistance to moisture combined with the ability of the total component to dry is an important consideration. The moisture resistant insulation come in the form of polystyrene boards, EPS and XPS, Calcium Silicate boards, Composite boards with moisture protective sheathing, Gypsum boards with glass fibre and additives and thermoplastic sheathing.

Everyday activities such as cooking, washing and bathing add moisture to the air in your home in the form of water vapour. This vapour can become trapped inside walls, resulting in mould and mildew growth, which can damage your home and present a potential health concern. Insulation provides a barrier between vapour and structure.

Types of Moisture-Resistant Insulation
  • Foam or closed-cell rigid insulation--extruded polystyrene or polyisocyanurate--is not damaged by water and resists surface mould growth. This kind of insulation generally allows the walls and floors to drain and dry.
  • Fibreglass insulation resists water damage and surface mould growth, however, this type of insulation may trap and hold water and slow drying time of walls and floors. Soaked fibreglass insulation usually has to be removed.
  • Fibre reinforced calcium silicate board with water repellent silicone applied on both faces. 
  • Reinforced with glass fibre gypsum board with the glass fibre tissue immediately below each surface of the board. Also Gypsum plasterboard with an aerated gypsum core with water repellent additives encased in and firmly bonded strong  paper liners.
  • Cement based boards with cellulose, sand and selected water repellent additives.
  • Laminated boards with an aerated gypsum core and PIR insulation lined with multi-layer vapour control barrier on both sides.
  • Laminated XPS foam with a polymer-concrete coating on both sides and reinforced with a fibreglass mesh encased by carbon nano-fibres.
Practically all moisture resistant boards available at Insulation Shop are also fire resistant, except the XPS boards.

Installation
You can install moisture resistant insulation boards just like you you install standard drywall boards.
  • Cut the pieces to size using a sharp utility knife and a metal straight-edge. Simply secure the straight-edge in place and score through the outer coating using a sharp blade. Once the paper is scored you can snap the board off changing its overall size to what you need. 
  • Drive the fixing screws into the board and the studs behind it or to the battens fixed on to the solid substrate. Take care to only go just below the surface of the board and try to avoid going through the paper facing entirely.
  • If you have to go with multiple rows of board on a wall, stagger the material to keep seams from lining up.
  • Avoid putting water resistant drywall on your bathroom ceiling, as bathroom ceilings tend to collect a great deal of moisture.
  • Tape the joints and plaster them.
  • You can then install tiles on the boards or just finish them with plaster and paint.


CHOOSE MANUFACTURERS or scroll down to see products

Show:
Sort By: Limit:

0.5mm Plysolene PIB Thermoplastic Sheeting 1m x 25m

0.5mm Plysolene PIB Thermoplastic Sheeting 1m x 25m

1x25m - 25m2  show quantity discountsDelivery Time: 2 - 4 days

Guide Price: £144.48 (£173.38 inc VAT)

£5.78/m2 (£6.94/m2 inc VAT)

show quantity discounts

0.5mm Plysolene PIB Thermoplastic Sheeting  is one of the top selling products in the UK with over 40 years long tradition in power stations, oil refineries, airports and chemical works. It is specially designed to provide waterproof wrapping for pipe work and ventilation duct work, manufacture..

Guide Price: £144.48 (£173.38 inc VAT)

£5.78/m2 (£6.94/m2 inc VAT)

show quantity discounts
= m2
other thicknesses
10mm Siniat BluClad Board

10mm Siniat BluClad Board

2400x1200mm - 2.88.m2  show quantity discountsDelivery Time: 2 - 4 days

Guide Price: £48.55 (£58.26 inc VAT)

£16.86/m2 (£20.23/m2 inc VAT)

show quantity discounts

Siniat BluClad is a medium density fibre reinforced calcium silicate board which has been formulated without inorganic fibre. Available in a standard 10mm thickness, it is off-white in colour and has a smooth surface on the front face and textured on the reverse. The smooth face is for painting and..

Guide Price: £48.55 (£58.26 inc VAT)

£16.86/m2 (£20.23/m2 inc VAT)

show quantity discounts
= m2
12.5mm British Gypsum Glasroc H Tilebacker Square Edge

12.5mm British Gypsum Glasroc H Tilebacker Square Edge

1200x2400 - 2.88m2  Delivery Time: 1 - 2 days

12.5mm Glasroc H TILEBACKER is a high performance board specifically designed for use in wet areas such as bathrooms and kitchens. High levels of moisture and mould resistance, combined with superior dimensional stability make it the high performance alternative to plywood and cement boards reducing..

= m2
12.5mm Fermacell Tilebacker Board

12.5mm Fermacell Tilebacker Board

800x1200 - 0.96m2  Delivery Time: 3 - 5 days

12.5mm Fermacell Tilebacker Board is made from gypsum and paper fibres. Unlike conventional plasterboards, it’s a material that combines all-round strength, moisture resistance and durability at a remarkably affordable price. Perfect for use in bathrooms, kitchens or other moisture affected areas in..

= m2
12.5mm Knauf Aquapanel Interior Cement Board 900x1200mm

12.5mm Knauf Aquapanel Interior Cement Board 900x1200mm

900x1200mm - 1.08m2  show quantity discountsDelivery Time: 2 - 4 days

£16.20 (£19.44 inc VAT)

£15.00/m2 (£18.00/m2 inc VAT)

show quantity discounts

12.5mm Knauf Aquapanel Interior Cement Board is an extremely durable tile backer providing peace of mind in wet indoor areas such as bathrooms, shower rooms and wet rooms. Resistant to mould and mildew, Knauf Aquapanel Interior will not deteriorate in water. It retains its strength even if..

£16.20 (£19.44 inc VAT)

£15.00/m2 (£18.00/m2 inc VAT)

show quantity discounts
= m2
other sizes
12.5mm Knauf Performance Plus - High Performance Plasterboard 1200x2400mm

12.5mm Knauf Performance Plus - High Performance Plasterboard 1200x2400mm

1200x2400mm - 2.88m2  Delivery Time: 1 - 2 days

12.5mm Knauf Performance Plus is a plasterboard with extremely high levels of sound, moisture, fire and impact resistance, ideally suited to schools, hospitals and commercial projects.  It has a high-density core with added performance-enhancing ingredients. It is available in tapered edg..

= m2
other thicknesses
12.5mm Knauf Vapour Panel - Foil Backed Plasterboard 1200x2400mm

12.5mm Knauf Vapour Panel - Foil Backed Plasterboard 1200x2400mm

1200x2400mm - 2.88m2  show quantity discountsDelivery Time: 1 - 2 days

£9.87 (£11.84 inc VAT)

£3.43/m2 (£4.12/m2 inc VAT)

show quantity discounts

12.5mm Knauf Vapour Panel is a plasterboard specifically developed to offer superior vapour resistance performance. Knauf Vapour Panel has a metallised polyester foil creating an effective vapour barrier to limit moisture diffusion, ideal for lining the internal side of the external walls and ..

£9.87 (£11.84 inc VAT)

£3.43/m2 (£4.12/m2 inc VAT)

show quantity discounts
= m2
other thicknesses
12.5mm Siniat GTEC Weather Defence External Sheathing Board

12.5mm Siniat GTEC Weather Defence External Sheathing Board

2400x1200 - 2.88m2  Delivery Time: 2 - 4 days

Guide Price: £27.10 (£32.52 inc VAT)

£9.41/m2 (£11.29/m2 inc VAT)

12.5mm Siniat GTEC Weather Defence External Sheathing Board is a strong, highly moisture resistant and non combustible external sheathing board, faced with water repellent material for superior weather protection.  Thermal insulation can be installed within the frame, mechanically and/or a..

Guide Price: £27.10 (£32.52 inc VAT)

£9.41/m2 (£11.29/m2 inc VAT)

= m2
25mm Xtratherm XtroLiner XO/PR Pitched Roof PIR Insulation Board Fire Rated - Pack of 12

25mm Xtratherm XtroLiner XO/PR Pitched Roof PIR Insulation Board Fire Rated - Pack of 12

1200x2400mm - 34.56m2  Delivery Time: 2 - 4 days

Due to nationwide shortage of PIR insulation lead time may be longer for this product.

25mm XtroLiner XO/PR board has a core of modified polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings. It offers excellent insulation performance with thermal conductivity of 0.021 W/mK and a Class ‘O’ fire rating. XtroLiner XO/PR is CFC & HCFC free and is manufacture..

= m2
other thicknesses
38mm British Gypsum Gyproc Thermaline PIR MR Insulated Plasterboard

38mm British Gypsum Gyproc Thermaline PIR MR Insulated Plasterboard

PIR MR - 38mm  Delivery Time: 3 - 5 days

Guide Price: £41.22 (£49.46 inc VAT)

£14.31/m2 (£17.17/m2 inc VAT)

Due to nationwide shortage of PIR insulation lead time may be longer for this product.

38mm Gyproc Thermaline PIR MR Insulated Plasterboard is a highly efficient board consisting of carefully designed components, offering not only insulation, but also vapour control and fire resistance. It consists of a rigid Moisture Resistant board bonded to a PIR foam insulant with a doub..

Guide Price: £41.22 (£49.46 inc VAT)

£14.31/m2 (£17.17/m2 inc VAT)

= m2
other thicknesses
4mm Marmox Multiboard Waterproof Insulation Board  (pack of 10)

4mm Marmox Multiboard Waterproof Insulation Board (pack of 10)

1250x600mm - 7.50m2  Delivery Time: 2 - 4 days

4mm Marmox Multiboard Waterproof Insulation Board is a multifunctional board made from closed cellular structure rigid XPS foam, with a polymer-concrete coating on both sides, reinforced with a fibreglass mesh encased by carbon nano-fibres.CHARACTERISTICSCompletely waterproof,Very versatile and mult..

= m2
other thicknesses
6mm Glasroc MultiBoard

6mm Glasroc MultiBoard

2400x1200mm - 2.88.m2  show quantity discountsDelivery Time: 1 - 2 days

£22.55 (£27.06 inc VAT)

£7.83/m2 (£9.40/m2 inc VAT)

show quantity discounts

Glasroc MultiBoard is a highly versatile, Class 0, non-combustible glass reinforced gypsum board manufactured by a unique continuous process, developed and patented by British Gypsum. The non-combustibility of gypsum and the reinforcement of glass fibre combine to produce a strong and resilient pr..

£22.55 (£27.06 inc VAT)

£7.83/m2 (£9.40/m2 inc VAT)

show quantity discounts
= m2
other thicknesses
6mm Hardiebacker 250 Cement Floor Board

6mm Hardiebacker 250 Cement Floor Board

Hardiebacker 250 - 0.96m²  show quantity discountsDelivery Time: 2 - 4 days

Guide Price: £8.93 (£10.72 inc VAT)

£9.30/m2 (£11.16/m2 inc VAT)

show quantity discounts

6mm Hardiebacker 250 is backboard used as an ideal substrate for vinyl, natural stone and ceramic tiles, especially designed for floors and countertops. It can be used even for masonry walls, able to withstand loads of up to 100kg/m2. It consists of cement, cellulose, sand and selected additives, bu..

Guide Price: £8.93 (£10.72 inc VAT)

£9.30/m2 (£11.16/m2 inc VAT)

show quantity discounts
= m2
other thicknesses
Reflective Foil Insulation Low-E Slab Shield

Reflective Foil Insulation Low-E Slab Shield

1.25m x 12m - 15m2  show quantity discountsDelivery Time: 2 - 3 days

£108.04 (£129.65 inc VAT)

£7.20/m2 (£8.64/m2 inc VAT)

show quantity discounts

11mm SlabShield insulation was designed specifically for use under concrete slabs and gives you a vapour barrier and significant thermal performance in one user friendly product. The product has a layer of closed cell polyethylene foam applied to both sides of its reflective core. The closed cell fo..

£108.04 (£129.65 inc VAT)

£7.20/m2 (£8.64/m2 inc VAT)

show quantity discounts
= m2
Showing 1 to 14 of 14 (1 Pages)