Insulation

Whether you are looking for quality insulation for walls, floors or ceilings, you will find a solution to suit your requirements at our builders merchant in Newport. Catering for all of your insulation needs, we stock the following items by Recitel:

Insulation boards - 2400x1200mm with 25mm, 50mm, 75mm, 100mm and 150mm thickness as standard. Other sizes available on request.
Cavity Insulation - 1200x450mm with 50mm, 60mm and 75mm thickness as standard – other sizes available on request
Insulated PIR Plasterboard - 2400 x 1200 sheets with an overall thickness of 37.5mm and 62.5mm

The above list is by no means exhaustive. Other insulation products are available on request.

Knauf Loft Roll

If you’re looking for a simple, effective way to improve the energy efficiency of your home, Loft Roll 44 is the ideal solution. Available in 100mm, 150mm, and 200mm rolls, this ready-cut insulation is designed to fit between standard joist spacings, making installation quick and straightforward.

At J & A Phillips, we supply Loft Roll 44 directly to homeowners, builders, and trade professionals across South Wales. Whether you’re topping up existing insulation or completing a full loft project, Loft Roll 44 provides excellent thermal performance and long-lasting results.

What is Loft Roll 44?

Loft Roll 44 is a glass mineral wool insulation manufactured to the highest UK standards. Lightweight, flexible, and easy to handle, it’s designed to provide effective thermal insulation for pitched roofs at ceiling level, helping to reduce heat loss and lower energy bills.

The product is ready cut, meaning each roll is pre-split to standard widths to save time and effort during installation.

Key Benefits of Loft Roll 44

Excellent thermal performance – improves energy efficiency and reduces heating costs.
Ready cut for convenience – available in pre-split widths to fit standard joist spacing.
Quick and easy to install – lightweight, flexible, and simple to roll into place.
Non-combustible – manufactured from glass mineral wool for added fire safety.
Sustainable choice – produced with renewable raw materials and recyclable at the end of use.

Loft Roll 44 Sizes Available

At J & A Phillips, Loft Roll 44 is available in three thicknesses to suit different insulation needs:

100mm Roll – ideal as an initial layer between joists.
150mm Roll – great for topping up existing insulation or achieving mid-level thickness.
200mm Roll – perfect for meeting higher insulation requirements and reducing energy loss.

Our team can advise on the best combination of thicknesses to achieve recommended loft insulation levels of 270mm to 300mm in line with current UK energy efficiency guidance.

Where to Use Loft Roll 44

Domestic lofts – the most common application for reducing heat loss.
New build properties – ensures compliance with building regulations.
Refurbishment projects – cost-effective way to improve energy efficiency.
Topping up existing insulation – boosts performance without removing older layers.

Download the Knauf Insulation Brochure & Installation Guide Here

Protect your indoor pipes today

When the temperature outdoors starts to drop, it’s not just your outdoor pipes that need protected from the elements. Prevent burst pipes in your property with pipe lagging insulation.

For more information on how you can protect your home or business premises from the cold, call us today on 0800 025 7086.