Painting walls 2-storys high

In my sister's new home there is a 2-sty entry foyer and 2 sty walls in her family room. Being a brand new home there is only the contractor spray on these walls that was applied during building. What's the best way to roll these walls and avoid seeing any roller lines?-there is natural light reflecting on these walls from the high windows. Thanks for all your help!

 

It would be best to prime the walls first. Builders often skip the primer and the paint they usually use does a poor job of sealing the wall.

2 coats of a quality latex paint should eliminate any lap mark concerns. If you have room to use a roller extension pole so you can roll from top to bottom may help but the may thing is a good primer and top coat. As always you will find better coatings at your local paint store [as opposed to a big box paint dept] They can recomend which primer will be best to go over your builder's paint and under whichever finish paint you choose. Tinting the primer might allow you to get by with only 1 coat of finish paint.

Using a quality brush and roller will also help.

 

There are several things you, as a DIY, a MUST do to avoid roller marks:

1) Use paint-store paint at or near the top of the store's product line. That means no Big Box paint... No Behr, Lowes/Valspar, Kilz Colors, etc. For most folks this will be Sherwin SuperPaint or Duration or Ben Moore Aura or Regal. (But there are a zillion other paint brands that are also quite good.)
2) Use high-quality Purdy or Wooster sleeves 3/8" or thicker. (Even more with a textured surface.) Purdy White Doves are cheap, consistent, high-quality, and available everywhere.
3) When applying the paint, let the roller do the work. Just "lean" the roller against the wall and let the paint wick onto the surface. Do NOT "squeeze" paint out of the roller like it is a sponge.
4) Don't over-use a single roller load. A 3/8" White Dove is about enough for a single 8'-10' stripe. No more.
5) Don't over-work the paint. Apply with one stroke, backroll with another stroke, re-roll the previous stripe once, and move on. (Don't bother with all the M, N, W pattern stuff you see on TV. No pros do it that way... it just makes your arm sore.)

Flat is less likely to show marks than Satin/Eggshell, but flat is not appropriate for high-traffic rooms. Duration or Aura Matte could be a good compromise.

SirWired

 

Good info sirwired!

Sometimes I forget not everyone knows all the stuff about painting that I take for granted