Installing TLX Silver is simple to do and fast to complete.
All you will need is a hand-held staple gun loaded with standard 14mm staples; a pair of reasonably sized scissors or a Stanley-knife; a ladder possibly; and some spare time.
Consider TLX RafterFit for an even faster job completion.
TLX Silver (formerly Thinsulex) Multi-Foil Insulation for Roofs and Walls
TLX Silver Installation and fitting instructions
1 Installing TLX Silver below rafters
TLX Silver is unrolled across the underside of the rafters
in horizontal layers, parallel to the eaves. The product should be
installed from ridge to eaves to ensure that any water inside the
rafter space runs down and does not penetrate the insulation or the
rafter space. As the TLX Silver is unrolled across the rafters it is
fixed in place using nails or staples of at least 14mm depth. The next
roll of TLX Silver must overlap the preceding layer by at least 50mm,
and the overlap should be sealed along the entire length using a
suitable adhesive tape silver Duck tape from Henkel is recommended.
TLX Silver should be permanently held in place using wooden
battens fixed with nails. Battens may run either parallel or
perpendicular to the rafters.
When the bottom layer of TLX Silver has been battened, any excess
material may be cut by running a sharp knife along the edge of the
batten.
A foil-backed plasterboard is fixed to the battens. Batten
thickness should be sufficient to ensure a 20mm air gap between the TLX
Silver and the plasterboard.
Any exposed cut edges of TLX Silver should be sealed with a
suitable adhesive tape. Any tears or holes in the outer layer should be
repaired with heat-reflective tape.
A breathable roofing membrane is fitted above the rafters
following the manufacturers instructions, then the Tiling battens and
tiles are fitted.
TLX Silver can be cut with a sharp knife or scissors.
Protective clothing is not required when handling TLX Silver.
TLX Silver may be installed either way up.
TLX Silver is unrolled across the top of the rafters in
horizontal layers, parallel to the eaves.
The product should be installed from eaves to ridge to ensure
that any water falling onto the TLX Silver runs down and does not
penetrate the insulation or rafter space. As the TLX Silver is unrolled
across the rafters it is fixed using nails or staples of at least 14mm
length. The next roll of TLX Silver must overlap the preceding layer by
at least 50mm, and the overlap should be sealed along the entire length
using a suitable adhesive tape silver Duck tape from Henkel is
recommended.
TLX Silver should be permanently fixed in place using wooden
battens parallel to the rafters held in place with nails. A breathable
roofing membrane should be installed on the battens and tiling battens
attached perpendicular to the rafters.
When the top layer of TLX Silver has been battened, any
excess material may be cut by running a sharp knife along the edge of
the batten.
Any exposed cut edges of TLX Silver should be sealed with a
suitable adhesive tape. Any tears or holes in the outer layer should be
repaired with heat-reflective tape.
The start of the roll of TLX Silver should be stapled to the
end rafter in the roof. TLX Silver is then rolled along the inside of
the rafter to a depth of 50mm and stapled in place TLX Silver is then
taken across the rafter space to an equivalent point on the adjacent
rafter, 50mm up from the bottom of the rafter, stapled and taken around
the bottom of the rafter a distance of 50mm into the next rafter space.
The TLX Silver is effectively recessed 50mm into the rafter space.
Wooden battens or other secure means of attachment should be
nailed to secure the TLX Silver effectively.
2 Eaves details
2.1 TLX Silver below rafter at junction of roof and wall.
At the bottom of the roof, TLX Silver should be cut to fit
between the rafters, and taken down between the joists to either the
wall plate or the cavity insulation. The TLX Silver should be stapled
to the joists, and all cut or open edges sealed with a suitable tape.
All junctions of TLX Silver with rafters, joists or wall plate should
also be sealed with tape to create an airtight seal. It is important
that TLX Silver extends to either the wall plate or the cavity
insulation to ensure continuity of insulation material. If TLX Silver
extends to the wall cavity, then a barrier to resist fire for at least
30 minutes should be fixed at the top of the cavity to prevent spread
of fire from the wall cavity into the roof.
Insulation material such as PUR or mineral wool inside the rafters
should be fitted according to manufacturers guidelines. Additional
insulation must extend at least as far as the cavity insulation to
maintain continuity of insulation.
2.2 TLX Silver above rafter at junction of roof and wall.
At the bottom of the roof, TLX Silver should be cut to fit between the
rafters, and taken down between the rafters to either the wall plate or
the cavity insulation.
The TLX Silver should be stapled to the rafters, and all open
or cut edges sealed with a suitable tape.
All junctions of TLX Silver with rafters, joists or wall
plate should also be sealed with tape to create an airtight seal. It is
important that TLX Silver extends to either the wall plate or the
cavity insulation to ensure continuity of insulation material. If TLX
Silver extends to the wall cavity, then a barrier to resist fire for at
least 30 minutes should be fixed at the top of the cavity.
Insulation material such as PUR or mineral wool should be
fitted inside the rafters according to manufacturers guidelines.
Additional insulation must extend at least as far as the wall to
maintain continuity of insulation.
3 Ridge details
3.1 TLX Silver below rafter at ridge.
When installing TLX Silver on the first side of the roof, the top layer
of TLX Silver should be fitted tightly into the ridge. When installing
on the other side, the top layer of TLX Silver should overlap the
opposing side by 50mm. The overlap should be taped along its entire
length with a suitable adhesive tape.
Insulation material such as PUR or mineral wool inside the rafters
should be installed such that the insulation on both sides of the roof
meets up at the ridge with no gap.
3.2 TLX Silver above rafter at ridge.
When installing TLX Silver on the first side of the roof, the top layer
of TLX Silver should be taken to the top of the ridge. When installing
on the other side, the top layer should overlap the opposing side by
50mm. The overlap should be taped along its entire length with a
suitable adhesive tape.
Insulation material such as PUR or mineral wool inside the
rafters should be installed such that the insulation on both sides of
the roof meets up at the ridge with no gap.
4 TLX Silver below rafters & between purlins
TLX Silver is installed horizontally across the underside of
the rafters and stapled in place. At the purlin, the TLX Silver is
turned into the purlin a length of 25mm and battened in place with a
25mm batten.
The edge of the TLX Silver is trimmed by running a sharp
knife along the edge of the batten. Plasterboard may be fitted over the
battens.
Additional insulation material installed between rafters should extend
behind the purlins.
5 Downlighters
TLX Silver should not be placed in direct contact with a
downlighter. TLX Silver should be installed and the position of the
centre of the downlighter marked. A circular hole of radius 25mm
greater than the radius of the downlighter should be cut in the TLX
Silver . The cut edge should be sealed with tape. Plasterboard should
be installed and the light fitted.
6 Roof window
The window frame should be level or lower than the top of the
rafter. TLX Silver can be installed above or below rafters. In both
cases, TLX Silver should continue up to the window frame, then cut to
fit between the rafters, taken between the rafters to the window frame
and securely taped in place. Insulation material such as PUR or mineral
wool should be installed between the rafters and should pack the space
around the window frame.
7 Junction with dormer wall
The dormer wall should be insulated with a layer of TLX
Silver inside the wall studs and additional insulation material such as
PUR or rigid mineral or glass wool between the studs to give a U value
of 0.30 W/m2K for the wall construction. Continuity of both TLX Silver
and the additional insulation should be maintained at all junctions.
8 Flashings
TLX Silver may be fitted either above or below rafter. TLX
Silver is taken to the wall and a length of 25mm turned up against the
wall. A batten is fixed to the rafter to hold the TLX Silver tight
against the wall. A breathable roofing membrane is fitted above the
rafters and also turned up at the wall. Tile battens are fitted.
Flashing is fitted above the tile battens and over the breathable
membrane. Tiles are installed above the flashing.
9 Vents
TLX Silver can be fitted either above or below rafter. TLX
Silver should be turned up at the vent and sealed around the vent using
a suitable adhesive tape. The breathable roofing membrane should also
be turned up and sealed to the vent. The flashing for the vent is
fitted above the tile battens and tiles.
10 Installing additional installation
Install additional insulation according to the manufacturers
instructions.
Provide for air gaps between additional installation and TLX Silver as
instructed.
TLX Silver must always be taped together when the surfaces are clean
and dry.
11 Storage
TLX Silver rolls must be stored on a flat dry surface,
protected from the weather and direct sunlight.
Make sure when installing TLX Silver that it does not come
into contact with heat sources greater than 80C or electric wiring
12 Certification
To ensure compliance with Building Regulations always install TLX Silver in line with the information incorporated its BBA Certificate
Manufacturer's details
Contact the manufacturers thermal hotline 01204 674 730 for
technical advice
Web Dynamics Ltd Moss Lane, Blackrod, Bolton, Lancashire BL6 5JB
