SESI
SESI
  • Home
  • Insulation
  • Solar
  • More
    • Home
    • Insulation
    • Solar
  • Home
  • Insulation
  • Solar

We are GOVERNMENT  TRUSTMARK APPROVED installers, with PAS 2035 2019 accreditation. As such all of our installations are registered and come with a 20 year guarantee and WILL increase your properties EPC score. We cover both Devon and Cornwall.

TYPES OF INSULATION WE INSTALL

loft insulation

FLOOR INSULATION

PITCHED ROOF INSULATION

FLOOR INSULATION

 Timber floors can be insulated by laying mineral wool insulation supported by netting between the joists.    Our trained engineers use the trusted SWIP underfloor insulation system which comes with a 25 year guarantee. 

loft insulation

LOFT INSULATION

PITCHED ROOF INSULATION

FLOOR INSULATION

Mineral wool insulation is laid between the joists, then another layer is laid over the joists up to the required depth.   This comes with a 2 year guarantee.

pitched roof insulation

PITCHED ROOF INSULATION

PITCHED ROOF INSULATION

INTERNAL WALL INSULATION

Rigid insulation boards, carefully cut to size to fit between and over the rafters in your loft.   This comes with a 2 year guarantee. 

Internal wall insulation

INTERNAL WALL INSULATION

INTERNAL WALL INSULATION

INTERNAL WALL INSULATION

 Internal wall insulation is done by building a stud wall filled in with insulation material such as mineral wool fibre.   Our trained engineers use the trusted SWIP internal wall system which comes with a 25 year guarantee.

Flat roof insulation

FLAT ROOF INSULATION

INTERNAL WALL INSULATION

ROOM-IN-ROOF INSULATION

 *Pending PAS2030:2019 Accreditation*   A layer of rigid insulation board can be added either on top of the roof’s weatherproof layer or directly on top of the timber roof surface, with a new weatherproof layer on top of the insulation.     Our trained engineers use the trusted ResTec Flexitec 2020 system which comes with a 20 year guarantee. 

Room in roof insulation

ROOM-IN-ROOF INSULATION

INTERNAL WALL INSULATION

ROOM-IN-ROOF INSULATION

 *Pending PAS2030:2019 Accreditation*   Insulated plasterboard is installed to existing walls, ceilings and dormers of your loft conversion.   Our trained engineers use the trusted SWIP Room-in-Roof system which comes with a 25 year guarantee.   

External wall insulation

EXTERNAL WALL INSULATION

EXTERNAL WALL INSULATION

EXTERNAL WALL INSULATION

*Pending PAS2030:2019 Accreditation*   External wall insulation involves fixing a layer of insulation material to the wall, then covering it with a special type of render or cladding.    This comes with a 25 year guarantee. 

PLUS MORE...

EXTERNAL WALL INSULATION

EXTERNAL WALL INSULATION

What is right for you?

EXTERNAL WALL INSULATION

What is right for you?

Tell us which insulation you are interested in or let us advise you. Either way its a free survey/consultation.

Book a survey

Copyright © 2023 SESI - All Rights Reserved.

Powered by GoDaddy

  • Privacy Policy