Insu­la­te effi­ci­ent­ly with ISUM

Save space.
Save money. 
Save time.

Ener­gy saving due to ISUM.

ISUM hel­ps to incre­a­se the ener­gy savings of the pro­per­ty and redu­ce cos­ts. Dis­co­ver all pos­si­bi­li­ties and advan­ta­ges of ISUM insulation.

ISUM gives respon­si­ble plan­ners, spe­cia­lists and owners of pro­per­ty the secu­ri­ty to get the most out of upco­m­ing insu­la­ti­on requi­re­ments and pro­jects. Espe­cial­ly when it comes to ener­gy saving solu­ti­ons, whe­re con­ven­tio­nal insu­la­ti­on mate­ri­als do not pro­vi­de the desi­red per­for­mance due to their mode of ope­ra­ti­on and natu­re. For examp­le, if the­re is extre­me­ly litt­le space avail­ab­le for instal­la­ti­on or if the loss of space with con­ven­tio­nal insu­la­ti­on mate­ri­als would be too high. ISUM — this is how pro­fes­sio­nals insulate.

ISUM — whenever things get nar­row for con­ven­tio­nal insu­la­ti­on materials

Benefits for homeowners - energy saving

Design your roof exten­si­on in a modern, effi­ci­ent and space-saving way. Less insu­la­ti­on mate­ri­al = more space for you and your loved ones. The ISUM con­ver­si­on is eli­gi­ble accord­ing to GEG (aupa­ra­vant EnEV).

Save ener­gy

ISUM pro­tects against cold, heat and elec­tro­smog and thus hel­ps to incre­a­se the ener­gy savings of the property.

Pro­tect the environment

They con­ser­ve resour­ces and thus pro­tect the envi­ron­ment. ISUM crea­tes space for more ener­gy effi­ci­en­cy in insu­la­ti­on with the latest technology.

Crea­te space

Insu­la­ting with ISUM also means: Gai­ning more valu­able space for living com­fort. With a mate­ri­al thic­kness of only approx. 10 mm, ISUM repla­ces up to 12 cm of con­ven­tio­nal insu­la­ti­on material.

Redu­ce costs

ISUM is easy, quick and clean to pro­cess and the­re­fo­re saves cos­ts. In the case of eli­gi­ble mea­su­res, the buil­der even recei­ves money back from the sta­te. With ISUM you save the use of an addi­tio­nal doub­ling, this is not necessa­ry for ISUM. ISUM insu­la­tes effi­ci­ent­ly and sus­tainab­ly impro­ves the living environment.

At a glance

  • Saving ener­gy through modern, inno­va­ti­ve insulation
  • Envi­ron­ment­al­ly friend­ly through resour­ce conservation
  • More space due to thin­nest insulation
  • Save cos­ts due to effi­ci­ent pro­ces­sing and eligibility
Benefits for professionals - energy saving

ISUM redu­ces the use of con­ven­tio­nal insu­la­ti­on mate­ri­als or even makes them super­fluous. Light and space-saving to trans­port, easy and quick to pro­cess.

Alter­na­ti­ve insulation

ISUM is the space-saving alter­na­ti­ve to clas­sic insu­la­ti­on pro­ducts. With a mate­ri­al thic­kness of approx. 10 mm, ISUM repla­ces up to 12 cm of con­ven­tio­nal insu­la­ti­on material.


Quick & simp­le: 2 work steps in one — with full fle­xi­bi­li­ty. In ISUM, in addi­ti­on to the insu­la­ti­on, sar­king mem­bra­ne (MF14M) or vapour bar­ri­er (MF14) is direct­ly integrated.

Manu­fac­tu­rer service

At ISUM you recei­ve an all-round ser­vice with fixed con­ta­ct per­sons and con­vin­cing cus­to­mer ser­vice for ever­ything rela­ted to your insu­la­ti­on order.

Pro­fes­sio­nal Purchasing

ISUM offers dis­counts for pro­fes­sio­nal users and inte­res­ting terms for quan­ti­ty buy­ing. So that the order is also eco­no­mi­c­al­ly pro­fi­ta­ble. Con­ta­ct us.

At a glance

  • Space-saving insu­la­ti­on due to reflection
  • Effec­ti­ve through several func­tions in one product
  • Pro­fes­sio­nal sup­port by the ISUM Service
  • Eco­no­mic plan­ning due to pro­fes­sio­nal condition
Benefits for planners - energy saving

ISUM unlocks space for design. With excel­lent U‑values and space-saving pro­ces­sing, new pos­si­bi­li­ties ari­se in moder­ni­sa­ti­on and con­struc­tion planning.


ISUM is the inno­va­ti­ve alter­na­ti­ve to con­ven­tio­nal insu­la­ti­on pro­ducts with com­ple­te­ly new pos­si­bi­li­ties in the area of roof sur­face insu­la­ti­on or floor slab and wall insu­la­ti­on. Extre­me­ly space-saving and flexible.


ISUM is the space-saving alter­na­ti­ve to clas­sic insu­la­ti­on pro­ducts. With a mate­ri­al thic­kness of approx. 10 mm, ISUM repla­ces up to 12 cm of con­ven­tio­nal insu­la­ti­on mate­ri­al. GEG-com­pli­ant and eligible.


ISUM pro­ducts are alrea­dy inclu­ded in the Hott­gen­roth plan­ning soft­ware. This also faci­li­ta­tes the pre­pa­ra­ti­on of expert opi­ni­ons for the pro­cu­re­ment of KfW loans and grants.

High per­for­mance

ISUM, the solu­ti­on for ener­gy saving, con­ser­ves space and cos­ts. The inte­gra­ted sar­king mem­bra­ne (Isum MF14M) or vapour bar­ri­er (Isum MF14) and the avo­id­ance of com­pli­ca­ted con­struc­tions for the insu­la­ti­on of roof super­st­ruc­tures result in fur­ther bud­get advantages.

At a glance

  • Modern insu­la­ti­on with new possibilities

  • High­ly ener­gy-effi­ci­ent, GEG-com­pli­ant and eligible

  • Easy plan­ning with the Hott­gen­roth software

  • Mul­ti­func­tio­n­a­li­ty gene­ra­tes cost advan­ta­ges for the builder