I have a sump pump strictly for my washing machine and the cover has one oblong hole for the two pipes. The cover itself is screwed to the floor but does anyone have any ideas to completely seal around the pipes and the large gap between the pipes. The cover looks like this:
https://www.grainger.com/product/12...8811!&ef_id=WSj3QwAAAxRHduL8:20180607185736:s
https://www.grainger.com/product/12...8811!&ef_id=WSj3QwAAAxRHduL8:20180607185736:s