Inspect Your Roof
1) Safely get on your roof.
2) Inspect your shingles, check that your shingles are lying flat and sealed down. Lifted shingles drastically affect a roofs ability to repel water.
3) Assess your chimneys flashing to be sure that it is intact and sealed properly.
4) While you’re up there, make sure your gutters are in tact and if there are any obstructions clear them. Finally, point downspouts to drain away from your foundation.
5) If you have any questions consult this checklist from manufacturer IKO