JSL is part of the MBP Group, the UK’s leading independent stockist of doors and a market leading producer of fire doors, doorsets and glazed screens. Based in Cwmbran, JSL offers joinery solutions for south Wales and the southwest of England and is the largest ex-stock supplier of doors in this trading area via the builders’ merchants network.
JSL are one of the UK’s largest stockists of standard paint grade, veneer-faced, moulded panel, feature and contemporary doors. Our range also includes pre-hung architectural doorsets, timber frames with glazed screens and a variety of acoustic options. Through our on-site joinery facilities, we can also cater for any non-standard requirements.
Use our handy calculators to determine the correct LRV value, weight and size (clear effective width) of your required doors.
All MBP products are third-party certificated by an independent testing house under the BWF-CERTIFIRE scheme for fire and BM TRADA Q-Mark for security doors (Secured by Design). Third-party certification assures performance, quality, reliability and traceability of fire protection and security products and systems.
Office building with open interior on top of blueprints, documents and mortgage calculations
Our range of standard and bespoke doors, doorsets and door assemblies are suitable for a wide variety of applications including the commercial, residential, healthcare, extra care and educational market sectors.
We’re committed to providing our customers with an accurate and up-to-date resource centre with product and industry related information. We’re constantly updating this, so keep checking back with us for critical information on topics such as fire safety, third party certification, building regulations and research and development.
MBP Group – Doorset Installation Guide
MBP Door-Kit Solutions – Redi-Kit Site Guide
BWF Best Practice Guide
BWF Installation Guide
Maintaining Certification of Fire Doors
Care & Maintenance Checklist
Handling & Storage
Maintenance & Troubleshooting
Care & Installation Guide
Fitting Instructions (FD30 CF5143)
Fitting Instructions (FD30 CF160 & CF192)
Fitting Instructions (Securefit Doorsets)
Installation, Finishing & Care Instructions (Oak)
Installation, Finishing & Care Instructions (Primed)
Storing, Finishing & Fitting (Moulded & Flush)
Installation Guide (V91, Section 7)
Installation Guide (V91, Section 14)
Falcon Panel Product Installation Guide
Handling & Care Guide (General)
Handling & Care Guide (Moulded Skin)
Hanging Guide (Moulded Skin Doors)
On-Site Guide for Care of Timber Doors
Painting Moulded Skin Doors
SoundSecure Doorset Installation Guide
SoundSecure Fitting Instructions (Lock & Latch)
Installation Guide (CF195)
Installation Guide (CF198)
Installation Guide (CF380)
Installation Guide (CF625)
Storage, Maintenance and Repair