Moulded Sumps

Easy to Handle
Durable
Easy to Install
Ideal for use with The Rubber Roofing Co. Butyl

INSTALLING THE SUMPS

The Rubber Roofing Co. sumps are designed primarily for use in plywood formed box gutters but can be used in other applications.

Plywood Gutters

Design & build the gutter minimuym width

IMR 100 & 120	300mm
IMR 130	400mm

Cut a retangular hole for the sump

IMR 100 & 120	440 x 250
IMR 130	440 x 340

Rebate the edge of the hole 4mm deep & 30mm wide on all sides

Drop in the sump and fasten with countersunk self tapping screws - minimum 4 screws.

CASTING INTO CONCRETE ROOFS

Either (a) cast a hole larger & frame down to meet it using timber framework.oR (b) cast the sump in-situ, fixing the 4 suitable fastners to the flange to lock the sump into the concrete when it is poured. Countersunk screws with bent shanks can be used for this.

Sump Sizes

Sump Dimensions	IMR100	IMR120	IMR130
A Overall Width	300	300	380
B Overall Length	450	450	580
C Depth	164	200	265
D Overflow Ø	75/100	100/150	150/200
E Main Outlet Ø	750/100	100/150	150/200
F Outlet Pipe Length	140	140	140
G Outlet Pipe Length	60	60	60
H Outlet Position	150	170	250
I Flange Width	30	30	30
J Flange Thickness	4	4	4
K Overflow Spigot Ø	98	145	195
L Overflow Spigot	208	240	270

ROOFING MEMBRANE DETAILING

Lap the roofing membrane 50mm into the sumnp over 2 layers as shown opposite.