Installation penetrations in sealing layers. Installationsgenomgangar i tatskikt.

Reports on research project to improve installation techniques using currently available building materials when making penetrations for services in sealing layers. States how careful installation and the use of proper materials and planning can ensure that Swedish Building Standards can be complied with. Notes small cost required to achieve improved sealing and recommends that sealing layers should not be penetrated where this can be avoided. Illustrates various service penetrations.