‘RAP-O, previously known as JUMBO’ : The permanent way to completely eliminate the problem of worn, leaking and noisy manhole covers. Low cost and installation can take less than 5 minutes!
‘RAP-O & JUMBO’ are made of a jute like material injected with rubberized asphalt at high heat. This combination makes for a durable, long lasting gasket with an unprecedented seal, silencing noisy manhole covers and protecting systems from infiltration.
Standard size (8ft) fits frames up to 30" in diameter.
EASY TO INSTALL
-WIRE BRUSH THE EDGES OF THE FRAME AND COVER
-SET THE `RAP-O or JUMBO' ON THE FRAME LIP
-OVERLAP THE ENDS
-OVERLAP THE ENDS WITH PIN PROVIDED
-REPLACE THE MANHOLE COVER
RAP-O and JUMBO are shipped individually wrapped in sealed poly bags.
Large quantity discounts available upon request.