Give your spouse a time frame that's reasonable — not reactive.
If he needs space, honour it. But set a boundary around it. For me, two days was my max threshold. It made a huge diference when I would name it too.
"I can see you need some space so I will give it to you. Two days is the maximum though.."
Afterall - we had a household of 3 children and conversations needed to happen where managing their universe was concerned.
If he was still in silence at that point, I would call it.
Proverbs 15:1 reminds us that a soft answer turns away wrath. Sometimes the most powerful thing we can do is lower the temperature in the room — not by shutting down ourselves in response (which I was prone to do at times out of retaliation) but by approaching it differently.
What's worked for you in the past when it comes to either a boundary or a timeframe in a scenario like this?