Guardian Roof Lantern
Installation Guide
The ultimate daylighting solution combining
contemporary looks and a flush-fit interior
finish with superior performance and durability.
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Introduction
Glazing enclosure
A uniquely designed glazing
enclosure creates a highly secure
glass lock and is enhanced with
anti-tamper rafter screws.
Top cap
An immovable
top cap which
is easy to install
but impossible
to remove.
Sleek and elegant in
design, our Roof Lantern
has been innovatively
designed for easy and
efficient installation.
Strong, light and robust
machine-finished aluminium.
Reduced number of parts for
faster installation.
GUARD-Lock technology for
security, thermal performance
and efficient installation.
3
Contents
Components 4
Tools Required 5
Step 1 –
Preparing the
opening and
ringbeam 6
Step 2 –
Installing the
ringbeam 8
Step 3 –
Ridge and hip
assembly 10
Step 4 –
Installing the
glass 12
Step 5 –
Ridge and hip,
top and end caps 14
‘Click-Fit’ rafter
A unique ‘click-fit’ rafter system
allows for ease of installation and
also provides immense strength
throughout the Roof Lantern.
Guardian Roof Lantern
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Ridge top cap
Ringbeam end profile Ridge end cap
Ridge end seal
Plastic corner
moulding
Corner casting
Ridge and
hip beams
Ringbeam
Glazing
end profile
Ringbeam
upper
cladding
Components
Hip end cap
Foam bung
Ridge end
Internal ridge
Threaded bar
5
Tools required
Cordless drill
Tape measure Angle finder Spirit level
M10 & M8 spanner
and nut spanner
M10 & M8 ratchetSilicone gun
Guardian Roof Lantern
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Once you have built your flat roof it is critical that the
opening matches the size of the Lantern.
Ensure there is a 4 x 3 upstand and check this
is square and level.
Apply a bead of silicone to the back edge of the plastic
corner moulding and assemble with the corner casting.
Repeat this for all four corners.
Slide the ringbeam onto the assembled corner section.
Repeat this for all four corners.
1a 1b
1d
Step 1
Preparing the opening and ringbeam
Remove the upper cladding from the pre-assembled
ringbeam.
1c
7
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Guardian Roof Lantern
Step 2
Installing the ringbeam
Position the full ringbeam assembly onto the upstand,
ensure it is square and level.
Fix the corners down into place through the cleats and
ringbeam at each corner.
Ensure corners are tightly held against the aluminium.
The corner connector assembly may need plastic packers
behind if the upstand is not square or exact size.
2b
2d2c
Apply a continuous bead of sealant to the outer
edge of the upstand.
2a
9
1. Fix the upper cladding
back onto the ringbeam
by clipping in the top
edge under the lip.
2. Tap the middle section of
the upper cladding with
a rubber mallet to ensure
it clips into place.
3. Finally, push the upper
cladding towards the
outside of the ringbeam
so that the bottom clip
engages.
Fully fix down the entire ringbeam around the
perimeter at approximately 100 mm from each
corner and 400 mm centres using LRSB001 A2 Stainless
hex head tech screw (4.8 mm x 50 mm).
2f2e
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Guardian Roof Lantern
Step 3
Ridge and hip assembly
Assemble all four hips to the ridge ends ensuring the
screws are securely tightened.
The internal ridge end can now be assembled using the
long-threaded bar and nut.
Place the nut on the thread bar and tighten. Place the foam bung seal over the thread bar
and push down into position.
3a 3b
3c 3d
11
Ensure all the hips line up with the ringbeam corners.
With a downward motion click the hips into place.
Check all hips are locked into place at all four corners by
applying an upward force on the hip.
Lift the whole ridge assembly into place.
3f3e
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Guardian Roof Lantern
Step 4
Installing the glass
Fit a glazing end profile to the end of each
piece of glass by pushing into place.
Position all four glass sections ensuring they are
central to the lantern assembly with equal spacings
either side of the hip bar.
Positioned the glass onto the eaves beam (please note
the correct positioning of the glass).
Lock glass in place by lowering the top of the glass
onto the frame.
4a
4d
4b
4c
13
Apply sealant to the underside of the ridge end seal. Position the ridge end seal in place ensuring it is central
to the hip bars and ridge.
4e 4f
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Guardian Roof Lantern
Step 5
Ridge and hip, top and end caps
Ensuring the hip caps are dropped in place below the
seal and then tapped up from the bottom to be level
with the thermal break edge.
Apply sealant to the top of the ridge end seal. Fit the ridge end caps ensuring they are firmly in place.
Push on the hip end caps ensuring they are
firmly in place.
5a
5c 5d
5b
15
Tel: 0800 066 5832
Email: customerservices@guardianbuildingsystems.co.uk
guardianbuildingsystems.co.uk
Whilst Guardian has made every attempt to ensure that this information is accurate and reliable at the time of its publication; we cannot accept responsibility for any errors,
omissions, inaccuracies or any changes that have occurred since the date of publication or for the results obtained from the use of such information.
Version 1 | July 2023
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